IOptron 7201 CEM60 Manual V1.0x User To The 87879687 Df0e 476a 8389 A7a8566a62f9

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iOptron® CEM60 Center-Balanced Equatorial Mount

Instruction Manual

Product #7200 and#7201

Read the included CEM60 Quick Setup Guide BEFORE taking the mount out of the case!

This product is a precision instrument and uses a magnetic gear meshing mechanism. Please read

the included QSG before assembling the mount. Please read the entire Instruction Manual before

operating the mount.

You must hold the mount firmly when disengaging or adjusting the gear switches. Otherwise

personal injury and/or equipment damage may occur. Any worm system damage due to improper

gear meshing/slippage will not be covered by iOptron limited warranty.

If you have any questions please contact us at support@ioptron.com

WARNING!

NEVER USE A TELESCOPE TO LOOK AT THE SUN WITHOUT A PROPER FILTER!

Looking at or near the Sun will cause instant and irreversible damage to your eye.

Children should always have adult supervision while using a telescope.

Table of Content

Table of Content ................................................................................................................................................. 3

1. CEM60 Overview ........................................................................................................................................... 5

2. CEM60 Terms ................................................................................................................................................ 6

2.1. Parts List .................................................................................................................................................. 6

2.2. Assembly Terms ...................................................................................................................................... 7

2.3. CEM60 Mount Ports ................................................................................................................................ 7

2.4. CEM60 Gear Switches ............................................................................................................................ 8

2.5. CEM60 Cable Management .................................................................................................................... 8

2.6. Go2Nova® 8407 Hand Controller ........................................................................................................... 9

2.6.1. Key Description ................................................................................................................................ 9

2.6.2. The LCD Screen ............................................................................................................................. 10

3. CEM60 Mount Assembly ............................................................................................................................. 12

3.1. Introduction ........................................................................................................................................... 12

3.2. CEM60 Mount Assembly ...................................................................................................................... 12

4. Getting Started .............................................................................................................................................. 22

4.1. Setting the Mount and Performing Polar Alignment ............................................................................. 22

4.2. Manual Operation of the Mount ............................................................................................................ 22

4.3. One Star Alignment ............................................................................................................................... 22

4.4. Go to the Moon and Other Stars ............................................................................................................ 22

4.5. Star Identifying Function ....................................................................................................................... 23

4.6. Turning Off the Mount .......................................................................................................................... 23

4.7. Putting the Mount Back into the Carrying Case .................................................................................... 23

5. Complete Functions of Go2Nova® 8407 Hand Controller ........................................................................... 24

5.1. Select and Slew ...................................................................................................................................... 24

5.1.1. Solar System ................................................................................................................................... 24

5.1.2. Deep Sky Objects ........................................................................................................................... 24

5.1.3. Stars ................................................................................................................................................ 24

5.1.4. Comets ............................................................................................................................................ 24

5.1.5. Asteroids ......................................................................................................................................... 24

5.1.6. Constellations ................................................................................................................................. 25

5.1.7. Custom Objects .............................................................................................................................. 25

5.1.8. Enter R.A. DEC .............................................................................................................................. 25

5.2. Sync to Target ........................................................................................................................................ 25

5.3. Align ...................................................................................................................................................... 25

5.3.1. Pole Star Position ........................................................................................................................... 25

5.3.2. Polar Align ...................................................................................................................................... 25

5.3.3. One Star Alignment ........................................................................................................................ 26

5.3.4. Solar System Align ......................................................................................................................... 26

5.3.5. Multi-Star Align ............................................................................................................................. 26

5.3.6. 2-Star Polar Align ........................................................................................................................... 26

5.3.7. Display Axes Error ......................................................................................................................... 26

5.4. Settings .................................................................................................................................................. 27

5.4.1. Set Time & Site .............................................................................................................................. 27

5.4.2. Set Display & Beep ........................................................................................................................ 27

5.4.3. Set Guider Rate ............................................................................................................................... 27

5.4.4. Set Tracking Rate ........................................................................................................................... 28

5.4.5. Set Parking Position ....................................................................................................................... 28

5.4.6. Meridian Treatment ........................................................................................................................ 28

5.4.7. Track Below Horizon ..................................................................................................................... 28

5.4.8. Set Eyepiece Light .......................................................................................................................... 28

5.4.9. Heating Controller .......................................................................................................................... 28

5.5. Electric Focuser ..................................................................................................................................... 28

5.6. PEC Option ............................................................................................................................................ 29

5.6.1. PEC Playback ................................................................................................................................. 29

5.6.2. Record PEC .................................................................................................................................... 29

5.7. Telescope Motion .................................................................................................................................. 29

5.7.1. Park Scope ...................................................................................................................................... 29

5.7.2. Search Zero Pos. ............................................................................................................................. 29

5.8. Edit User Objects ................................................................................................................................... 30

5.8.1. Enter A New Comet ....................................................................................................................... 30

5.8.2. Enter Other Objects or Observation List ........................................................................................ 30

5.9. Firmware Information ........................................................................................................................... 31

5.10. Goto Zero Position .............................................................................................................................. 31

6. Maintenance and Servicing .......................................................................................................................... 32

6.1. Maintenance .......................................................................................................................................... 32

6.2. iOptron Customer Service ..................................................................................................................... 32

6.3. Product End of Life Disposal Instructions ............................................................................................ 32

6.4. Battery Replacement and Disposal Instructions .................................................................................... 32

Appendix A. Technical Specifications ............................................................................................................. 33

Appendix B. Go2Nova® 8407 HC MENU STRUCTURE .............................................................................. 34

Appendix C. Firmware Upgrade ...................................................................................................................... 37

Appendix D. Computer Control a CEM60 Mount ........................................................................................... 38

Appendix E. Go2Nova® Star List ..................................................................................................................... 39

IOPTRON TWO YEAR TELESCOPE, MOUNT, AND CONTROLLER WARRANTY ............................ 46

Ver. 1.0

iOptron reserves the rights to revise this instruction without notice. Actual color/contents/design/function may differ from those described in this

instruction.

1. CEM60 Overview

Welcome to a new type of EQ mount- The iOptron® Center-Balanced Equatorial Mount, CEM! Its unique

balance design puts the payload at the center of gravity allowing for greater natural stability. This also

means the mount is extremely light compared to its payload—a nice benefit when setting up at a remote

site. The adjustable counterweight bar prevents the counterweight from getting in the way of the tripod or

pier when operating at a low latitude position. Polar aligning is quick and accessible all the time since the

polar scope is not blocked by the declination shaft.

The CEM60TM mount is equipped with the most advanced GOTONOVA® GOTO technology, making it one

of the most powerful and accurate GOTO mounts available. The database of a Go2Nova® 8407 hand

controller has over 300,000 objects. The other features include a magnetically loaded gear system, gear

switches on both R.A. and DEC axes, a screw/worm type latitude adjuster and a built-in or customized

cable management system. The CEM60-- a new category (and payload capacity) of mounts for viewing and

astrophotography!

Features:

 A new design, center-balanced equatorial mount (CEM) for maximum payload and minimum mount

weight

 Specialized astrophotography mount ideal for both visual observers and astro-photographers

 Patent pending non-contact magnetically loaded gear system

 Payload of 60 lbs (27.2 kg) with the mount-only weight of 27 lbs (12.3 kg)

 Gear switches on both R.A. and DEC axes for easy balancing

 Adjustable counterweight shaft for low latitude operation

 Screw/worm type latitude adjuster for precision adjustments

 Milling machine tooling vise type latitude bearing and lock system for rock solid positioning

 Azimuth fine adjusters for easy azimuth adjustment

 Precision stepper motor with 0.06 arc-sec accuracy for precise GOTO and accurate tracking

 Permanent periodic error correction (PPEC) (#7200) or Real-time periodic error correction (RPEC)

(#7201)

 iOptron AccuAligningTM calibrated polar scope with dark-field illumination and easy polar alignment

procedure for fast and accurate polar alignment

 Polar alignment routine for those who can't see the Pole Star

 Go2Nova® 8407 controller with Advanced GOTONOVA® GOTO Technology an built-in heater

 Integrated ST-4 compatible autoguiding port

 Built-in 32-channel Global Positioning System (GPS)

 Built-in or customized cable management system

 Spring loaded Vixen/Losmandy dual saddle

 150mm base size to match optional 2 inch heavy-duty stainless steel tripod (8kg) or 42/48 inch pier

 Optional PowerWeightTM rechargeable battery pack

2. CEM60 Terms

2.1. Parts List1

SHIPPING CONTENTS

There are two shipping boxes for a CEM60 mount. One box contains an aluminum carrying case

with a mount, either CEM60 (#7200) or CEM60-EC (#7201) mount head, a hand controller, a counterweight

shaft and accessories, including a counterweight pin and locking screws. The other box is for a 21lbs (9.5kg)

counterweight. The contents are listed below:

 iOptron

® CEM60 telescope mount (#7200, with silver adjustment knobs) or iOptron® CEM60-EC

mount (high precision model #7201, with red adjustment knobs)

 Go2Nova® 8407+ Hand Controller

 One 21lbs (9.5 kg) counterweight

 Stainless steel counterweight shaft

 Dark field illuminating LED cable

 AC adapter (100V-240V)

 HC Controller Cable X 1

 Serial cable (RS232 toRJ9)

 12V DC power cable with car charger

 Aluminum carrying case

 Quick Start Guide

OPTIONAL PARTS

 2” tripod (#8021ACC)

 42 inch pier (#8033) /48 inch pier (#8030)

 MiniPier (#8032)

 PowerWeightTM rechargeable counterweight battery (#8128)

ONLINE CONTENTS (click under “Support” menu) www.iOptron.com

 Quick Start Guide

 This manual

 Tips for set up

 Hand controller and mount firmware upgrades (check online for latest version)

 .NET ASCOM driver

 Reviews and feedback from other customers

 Accessories

1 US market only. Actual contents may vary.

2.2. Assembly Terms

Figure 1.CEM60 assembly

2.3. CEM60 Mount Ports

Ports on the mount

Figure 2. Ports on a CEM60 mount

 I/O: Power Switch

 DC 12V: DC power socket for the mount

 PORT: iOptron port for connecting to other iOptron accessories, such as an electronic focuser or

a planetary dome control. DO NOT plug your ST-4 guiding camera cable into it. It may damage

the mount or guiding camera electronics.

 HBX (Hand Box): For connecting to an 8407 Hand Controller

 GUIDE: ST-4 compatible autoguiding port

 RS232: Serial port for mount-computer control and

firmware upgrade

On DEC unit:

 Reticle: Power supply for the polar scope dark field

illumination LED, or illuminated eyepiece

Dovetailsaddle

DECdriveunit

CWmountinghousing

CWsafetyscrew

CWbar

Counterweight

CWlockingscrew

Shaftpositionscrew

Polaraxiscover

DECgearswitch

Polarscopecover

Az.adj.knob

Az.Lockingnut

Lat.Lockingclamp

Optionaltripod

Polaraxis

Figure 3. LED reticle on DEC unit

2.4. CEM60 Gear Switches

The CEM gear system utilizes a magnetic force system for optimal gear meshing. Fully turn the

Gear Switch clockwise to disengage the worm from the worm wheel. Turn the Gear Switch

counterclockwise to engage the worm to worm wheel, as indicated on the mount. The Gear Switch MUST

NOT be left in a position that is in between the Engaged and Disengaged positions. Setting the Gear Switch

in between states may damage the worm or worm wheel.

WARNING: Never disengage or adjust the Gear Switches without holding the mount firmly!

Personal injury and/or equipment damage may happen.

Figure 4. CEM60 R.A. (left) and DEC (right) gear switches

2.5. CEM60 Cable Management

The CEM60 mount has a pre-wired instrument panel

that allows the user to connect his imaging gears without

having the wires/cables dragged all over the mount when the

mount is slewing or tracking. As shown in Figure 5, the

Instrument Panel has the following:

 2X 12V power outlets for powering the CCD

camera or electric focuser

 4X USB 2.0 port with Type A connector for

connecting to accessories.

 1X 6P6C port which can be used to bridge the guiding port or

accessories with a 6P6C/6P4C plug

The USB hub is a non-powered one. It will draw power from a

source, such a computer USB port. Therefore, the maximum usable USB

ports might be limited, depending on the power consumption of the

accessories.

The ports on the instrument panel are connected to the input

panel located next to the polar scope, as shown in Figure 6.

 1X 12V power input (5A max.)

 1X USB 2.0 port with Type B connector

 1X 6P6C port

In the event where a user would like to wire his own cables, he can remove the dovetail saddle. Next he

needs to remove the polar scope and run the cables through the polar scope opening. Solder the cables

onto the instrument pane. When reinstalling the dovetail saddle, make sure that the STOPPER and the

arrow is pointed to front, as shown in Figure 7.

Figure 5. Instrument panel

Figure 6. Input panel

Figure 7. Stopper on a dovetail saddle

2.6. Go2Nova® 8407 Hand Controller

Figure 8. Go2Nova 8407 hand controller

The Go2Nova® 8407 hand controller (HC) shown in Figure 8 is the standard controllers that is used

on the CEM60 mount. It has an integrated temperature controller that ensures it can be operated at -20ºC

(-4ºF). It has a large LCD screen, function keys, direction keys and number keys on the front; a red LED

reading light on the back; and a HBX port (6-pin) and a serial port (4-pin) at the bottom.

2.6.1. Key Description

 MENU Key: Press “MENU” to enter the Main Menu.

HBX

Port

Serial

Port

R.A.+ R.A.-

DEC-

DEC+

 BACK Key: Move back to the previous screen, or end/cancel current operation, such as slewing.

 ENTER Key: Confirm an input, go to the next menu, select a choice, or slew the telescope to a

selected object.

 Arrow (▲▼◄►) Keys: The arrow keys are used to control the movement of DEC and R.A. axes.

Press and hold ▲(DEC+),▼(DEC-) buttons to move a telescope along the DEC direction,

◄(R.A.+), ►(R.A.-) to move a telescope along the R.A. direction. They are also used to browse

the menu or move the cursor while in the menu. Press and hold down an arrow key for a fast

scrolling.

 Number Keys: Input numerical values. Also used to adjust speeds (1: 1X; 2: 2X; 3: 8X; 4: 16X; 5:

64X; 6: 128X; 7: 256X; 8: 512X; 9: MAX)

 Light Key(☼): Turns on/off the red LED reading light on the back of the controller.

 ? Key: Identify and display bright stars or objects where the telescope points to.

 STOP/0 Key: Stop the mount during GOTO. Also toggling between start and stop tracking.

 HBX (Handbox) port: connect the HC to the CEM60 mount using a 6-wire RJ11 cable.

 Serial port: connect the HC to a Computer via a RS232 to 4-wire RJ-9 cable. The pin out of the

serial port is shown in Figure 9.

Figure 9. Serial port pin out on an 8407 hand controller

2.6.2. The LCD Screen

The 8407 HC has a large 8-line, 21-character per line LCD screen, which displays all the information

as shown in Figure 10. The user interface is simple and easy to operate.

Figure 10. 8407 HC LCD Information Screen

1. Target Name/Mount Position: displays the name of the target that telescope is currently pointed to or

the current mount position.

 Zero Position: The position when the mount is turned on. Or when the mount is moved to Zero

Position using “Goto Zero Position” command;

 User Position: The mount is pointed to a user defined position, which could be a real sky object

or just simply a position defined by pressing an arrow key.

 An object name, such as “Mercury” or “Andromeda Galaxy”: Name of the Star or celestial object

that the mount is currently slewing to, GOTO or tracking;

2. Target R.A.: Right Ascension of the target object.

3. Target Declination: Declination of the target object.

4. Right Ascension: Right Ascension of the telescope, or R.A.

5. Declination: Declination of the telescope, or DEC.

6. Altitude: Altitude of the telescope (degrees vertical from the local horizon - zenith is 90º).

7. Azimuth: Azimuth of the telescope (north is 0º, east is 90º, south is 180º, and west is 270º).

8. Local Date and Time: display local time in a format of YY-MM-DD HH:MM:SS.

9. Mount Status: Display current operation status of the mount.

 Stop: mount is not moving;

 Slew: mount is moving with an arrow key pressed;

 GoTo: mount is slewing to a celestial object using “Select and Slew”;

10. GPS status: When the power is turned on, it shows “GPS ON”, which means that the mount is

connected to its GPS receiver. When the GPS receiver finds the satellites and receives the GPS signal,

it shows “GPS OK”. The “GPS OK” may turn off after a few minutes to save power.

11. PEC status: Display of “PEC” here Indicates the PEC playback is turned on. Default is off.

12. Tracking speed: Display current tracking status of the mount

 SDRL: mount is tracking at sidereal speed;

 Solar: mount is tracking at solar speed;

 Lunar: mount is tracking at lunar speed;

 King: mount is tracking at king speed;

 CSTM: mount is tracking at a customer-defined speed.

13. Slew speed: It has 9 speeds: 1X, 2X, 8X, 16X, 64X, 128X, 256X, 512X, MAX (~3.75º/sec).

14. Operation Mode: Indicate if the mount is working at the EQ mode

3. CEM60Mount Assembly

3.1. Introduction

You have just purchased a telescope mount that is capable of taking you to a new level of

astronomy. No matter which telescope or optical tube assembly (OTA) you select to install on the mount,

the overall performance will be greatly enhanced. In order for you to get the optimum performance from the

mount and OTA combination, you must assemble and set up the mount correctly. The following

fundamentals of telescope mounts are included to help you understand the big picture before you get into

the specific details of the CEM60 mount.

Telescope mounts are either equatorial mounts or altitude-azimuth (Alt-Az) mounts. Both types of

mounts rotate the OTA around two perpendicular axes to point to a desired object in the night sky. An

equatorial mount has the right ascension (R.A.) axis aligned with the celestial North Pole (CNP), or celestial

South Pole (CSP) in southern hemisphere, to provide rotation matching the celestial sphere rotation around

the Earth and the declination axis (DEC) to provide elevation relative to the celestial equator. Since all

celestial objects appear to rotate around the CNP, the R.A. axis allows the OTA to rotate with the celestial

sphere and provide accurate tracking for visual observations and astrophotography. R.A. is the celestial

equivalent of longitude. Like longitude, R.A. measures an angle that increases toward the East as

measured from a zero reference point on the celestial equator. An Alt-Az mount has a horizontal axis to

provide vertical (altitude) OTA movement from the local horizon and a vertical axis to provide horizontal

(azimuth) OTA movement, similar to compass headings. An Alt-Az mount can provide tracking that is good

enough for visual observing and short exposure photos, but not good enough for serious astrophotography.

Alt-Az mounts require star alignments for the OTA to track stars and they do not have adjustment

components on the mount. Equatorial mounts require alignment of the mount components as well as star

alignments for accurate OTA tracking.

In order to provide the required Polar Axis alignment, equatorial mounts use a combination of both

mount types described above. The adjustable part of the mount moves in the Alt-Az mode in order to align

the R.A. axis, also known as the mount’s Polar Axis, with the CNP. These Polar Axis adjustments do not

involve any rotations of the OTA about the R.A. or DEC axes and can be performed without the OTA

installed. The first step is to make an approximate azimuth alignment of the Polar Axis by aligning the

specified tripod leg or reference point toward True North using a compass for reference (you must allow for

the variation between True and Magnetic North at your location). Precise horizontal alignment of the Polar

Axis is accomplished with azimuth adjustments on the mount. The second step is to adjust the Polar Axis

vertically (altitude) above the North horizon by setting the observer’s latitude on the provided latitude scale.

This procedure is based on the fundamental geometry of the Earth’s coordinate system in conjunction with

the concept of the celestial sphere. You can verify this by visualizing yourself at the North Pole (latitude

N90°) and Polaris will be 90° from the horizon, or directly overhead. These steps will place the Polar Axis

very close to the CNP. Both of the above adjustments can be enhanced by the use of an opening along the

R.A. axis that allows direct viewing of the North Star and the use of a polar scope to view through this

opening. If you are going to get the most out of your equatorial mount it is essential to understand the

concept of the Polar Axis and how the equatorial mount helps you establish and maintain a true Polar Axis

alignment. Now, you are ready to perform star alignments using the equatorial mount’s electronic controller

and enjoy the night sky.

The CEM60 mount is a next-generation equatorial mount that provides the precision alignment

capabilities required for today’s complete astronomy solution. The following sections of this manual provide

the detailed steps required to successfully set up and operate the CEM60 mount.

3.2. CEM60Mount Assembly

NOTE: The CEM60 mount is a precision astronomical instrument. It is highly recommended that you

read the entire manual and become familiar with the nomenclature and function of all components

before starting the assembly.

WARNING: DO NOT rock the counterweight shaft rigorously. Worm system damage due to

improperly gear mesh/slippage will not be covered by warranty.

WARNING: The new Gear Switch will allow you to achieve the most precise weight balance.

This also means the mount or OTA will swing FREELY when the Gear Switch is disengaged.

Always hold the OTA or mount when releasing Gear Switch or adjusting gear tension.

STEP 1. Removing the Mount from the Carrying Case

The mount is shipped with both R.A. Gear Switch disengaged. ALWAYS turn the Gear Switch fully

counterclockwise to fully engage the Gear Switch before removing the mount from the carrying case (Figure

11).

Figure 11. Engage the Gear Switches before

removing the mount from the carrying case

Figure 12. Stainless steel lever

The CEM60 mount comes with a stainless steel (SS) lever which can be unthreaded from the

mount. It can be used for tightening all the screws/nuts (Figure 12).

STEP 2. Attaching the Mount

The mount has a 150mm diameter base which can be mounted onto an optional iOptron 2” tripod or

pier. If you have your own tripod/pier, make sure it has two M8 threaded holes separated by 130mm, with a

Φ12mm X 15mm center stud.

There are two sets of mounting studs and azimuth locking nuts. Thread the two studs onto an

iOptron tripod/or pier (if you are using one). Use the pair of mounting holes that are closest to the edge and

thread the studs using the shorter thread side. Use the lever to tighten the mounting studs. Make sure that

two studs are aligned eastern-western side by turning the tripod or pier.



Figure 13. Mounting studs and locking nuts

Back out the azimuth adjustment knobs to make enough room to prevent them from blocking the

mounting knobs. Put the mount head onto the tripod. Make sure that the mount head is facing north. Install

Mounting studs

Azimuth locking nuts

the Nylon washer. Put the azimuth locking nuts onto the mounting studs, hand tighten them. Adjust

tripod/pier to level the mount.



Figure 14. Attaching the mount

STEP 3. Setting the Latitude

This step requires you to know the latitude of your current location. This can be found from your

8407 hand controller after the embedded GPS receives the signal from the satellites. It also can be easily

found on the Internet, with your GPS navigator or a GPS capable cell phone. You will have to change this

latitude setting every time you significantly change your night sky viewing location. This setting directly

affects the mount’s GOTO accuracy.

Slightly loosen the Latitude Locking Clamps. Turn the Latitude Adjustment Knob until the arrow

points to your current latitude on the Latitude Scale. Tighten the Latitude Locking Clamps when done.



Figure 15. Setting the latitude

At this point, with the mount leveled and pointed north, and the latitude set, the Polar Axis (R.A. axis)

should be pointing very close to the NCP and Polaris. This alignment accuracy will be sufficient for visual

tracking and short duration piggy-back (camera mounted on top of the OTA) astrophotography.

STEP 4. Installing the Counterweight (CW) Shaft

There are three screws on CEM60 CW Mounting Housing: A Shaft Locking Screw, a Shaft Position

Screw on the other side and a Low-Latitude Set Screw.

To install the CW shaft

(1) Remove CW Shaft Locking Screw from the CW Mounting Housing and back out the CW Shaft

Position Screw to make room for the CW shaft;

Latitude

locking clamp

Latitude

Adjustment

knob

Mounting stud

Azimuth adjustment

knob

Nylon washer

(2) Insert CW Shaft into the CW Mounting Housing. Make sure the rounded top of the shaft is fully

engaged in the slot;

(3) Insert the CW Shaft Locking Screw into the TOP hole and thread it onto the CW shaft;

(4) Tighten the CW Shaft Position Screw.



Figure 16. Install the counterweight shaft

At very low-latitudes (<10°), to avoid CW bumping into tripod leg, turn the rear Low Latitude Position

Screw (a hex head set screw) further into CW Mounting Housing before tightening the CW Shaft Positioning

Screw and Shaft Locking Screw.

DO NOT rock the counterweight shaft rigorously. It may damage the worm system.

Figure 17. Tilt the counterweight shaft for low

altitude

Figure 18. Install the counterweight

STEP 5. Installing the Counterweight(s)

Before installing the Counterweight, make sure that both R.A. and DEC Gear Switches are fully

engaged to avoid sudden mount movements, which could injure yourself or damage the mount gear

system.

Make sure the mount is at zero position (i.e. counterweight shaft is pointing to ground when the

counterweight is installed.)

Remove the CW Safety Cap at the end of CW Shaft. Guide the CW over the shaft. Tighten the CW

Locking Screw to hold the CW in place. Always place the Safety Cap back onto the shaft prior to use

to prevent personal injury and/or equipment damage.

WARNING: The mount should always be kept in the zero position while it is being loaded with

CWs and payload.

WARNING: The zero position is the only safe position the mount should stay in unless it is

balanced.

Shaft locking

screw

Shaft position

screw

Low latitude

position screw

Threads on

CW shaft

STEP 6.Balancing the Payload

After attaching the scope and accessories, the mount head assembly must be balanced in both the

R.A. and DEC axes to ensure minimum stress on the mount driving mechanism.

WARNING: The telescope may swing freely when the R.A. or DEC Gear Switch is

disengaged. Always hold on to the telescope assembly before releasing the Gear Switches

to prevent it from swinging, which can cause personal

injury and/or equipment damage.

The CEM gear system utilizes a magnetic force system

for optimal gear meshing. Fully turn the Gear Switch clockwise

to disengage the worm from the worm wheel. Turn the Gear

Switch counterclockwise to engage the worm to worm wheel,

as indicated on the mount. There is NO state between

Engaged and Disengaged. Setting the Gear Switch in

between states may damage the worm or worm wheel.

WARNING: The balancing process MUST be done

with Gear Switch at the Disengaged position!

Otherwise it might damage the worm system.

With the corresponding Gear Switch disengaged,

balance the assembly in R.A. axis by moving CW along its shaft. Balance in DEC axis by moving the scope

with accessories back and forth in the mount saddle or within the scope mounting rings.

Only balance one axis at a time and start with the DEC axis first. Double check the mount to make

sure both the R.A. and DEC axes are balanced.

Return the mount to the Zero Position after balancing; i.e., the CW Shaft points to ground, and the

telescope tip is at its highest position.

Set both Gear Switches to engaged positions after

balancing the mount. To make sure the gears are meshed

properly, gently turn the Gear Switch counterclockwise all

the way until you feel the resistance, but not over

tightening. You may back out 1//8 turn if the gear is not

moving smoothly.

STEP 7. Connecting Cables

Plug in a 12V DC power supply to the DC12V POWER

socket. Connect the Go2Nova® 8407 Hand Controller to the

HBX port on the mount side panel.

STEP 8. Setting Hand Controller

The CEM60 mount is equipped with a GPS receiver, which will receive the time, longitude and

latitude information from satellites after the link is established. However, there are still some parameters

which need to be entered to reflect your location, such as time zone info and daylight saving time. The

information will be stored inside the hand controller memory along with longitude and latitude coordinates

until they need to be changed.

A clear sky and open space outside is needed for the GPS to establish its link with the satellites. The

GPS is installed on the side of the mount with a black plastic cover. If it has difficulty to receive the GPS

signal, you may turn the mount head to the side of the mount to clear the space on top of it.

To set up the controller, press MENU =>“Settings”:

Figure 19. Gear switches

Gear switch

Figure 20. Connecting the cables

Press ENTER and select “Set Time & Site”

Press ENTER. A time and site information screen will be displayed:

Set Local Time

The time will be updated automatically when the GPS receiver has established its link with the GPS

satellites. You also can manually input the time information in case GPS does not function. Use the ◄ or ►

key to move the cursor _ and use the number keys to change the numbers. Use the ▲ or ▼ button to

toggle between “Y” and “N” for Daylight Saving Time. Hold the arrow key to fast forward or rewind the

cursor.

In order to make the Hand Controller reflect your correct local time, time zone information has to

be entered. Press the ◄ or ► key, move the cursor to the third line “300 Min. behind UT” to set the time

zone information (add or subtract 60 minutes per time zone). Enter minutes “ahead of” or “behind” UT

(universal time). For Example,

 Boston is 300 minutes “behind” UT

 Los Angeles is 480 minutes “behind” UT

 Rome is 60 minutes “ahead of” UT

 Beijing is 480 minutes “ahead of” UT

 Sydney is 600 minutes “ahead of” UT

All the time zones in North America are behind UT, as shown in the following table. So make sure it

shows “behind” instead of “ahead of” UT.

Time Zone Hawaii Alaska Pacific Mountain Central Eastern

Hour behind UT -10 -9 -8 -7 -6 -5

Enter Minutes 600 540 480 420 360 300

2014-03-09 10:19:18

Daylight Saving Time Y

300 Min. behind UT

Longitude:W071d08m50s

Latitude: N42d30m32s

Northern Hemisphere

Set Time & Site

Set Display and Beep

Set Guiding Rate

Set Tracking Rate

Set Parking Position

Meridian Treatment

Tracking Below Horizon

Set Eyepiece Light

Select and Slew

Sync. to Target

Alignment

Settings

Electric Focuser

PEC Options

Telescope Motion

Edit User Ob

ects

To adjust minutes, move the cursor to each digit and use the number keys to input number directly.

To change the “behind” or “ahead of” UT, move the cursor to “behind” and using the ▲ or ▼ key to toggle

between “behind” and “ahead of”. When the number is correct, press ENTER and go back to the previous

screen. Fraction time zone can be entered.

Do not manually add or subtract an hour from displayed time to reflect the DST. Only select “Y” after

DST begins.

For other parts of the world you can find your “time zone” information from iOptron website

(http://www.ioptron.com/support.cfm?module=faq#).

Set Observation Site Coordinates

The third and fourth lines display the longitude and latitude coordinates, respectively. The longitude

and latitude coordinates will be automatically updated when the GPS picks up satellite signals. “W/E”

means western/eastern hemisphere; “N/S” means northern/southern hemisphere; “d” means degree; “m”

means minute; and “s” means second.

If, for any reason, your GPS does not pick up the signal, you can manually enter the GPS

coordinates. Press the ◄ or ► key to move the cursor and using the ▲ or ▼ key to toggle between “W”

and “E”, “N” and “S”, and using the number key to change the numbers. It is always a good idea to do your

home work to get the GPS coordinates before traveling to a new observation site.

The site coordinates information can be found from your smart phone, GPS receiver or internet. In

case you only find the site information in decimal format you can convert them into d:m:s format by

multiplying the decimal numbers by 60. For example, N47.53 can be changed to N47º31'48”: 47.53º = 47º

+0.53º, 0.53º=0.53x60'=31.8', 0.8'=0.8x60"=48". Therefore, 47.53º=47º31'48" or 47d31m48s.

Select N/S Hemisphere

If the polar axis is aligned to the North Celestial Pole, then set the mount to Northern Hemisphere. If

the polar axis is pointing to the South Celestial Pole, set the mount to Southern Hemisphere. Press the ◄ or

► key to move the cursor and using the ▲ or ▼ key to toggle between “Northern Hemisphere” and

“Southern Hemisphere”.

As an example, select Northern Hemisphere if you are located in US and press ENTER to go back

to the main menu.

The time and site information will be stored inside the HC memory chip. If you are not traveling to

another observation site, they do not need to be changed.

The hand controller has a real time clock. Every time the mount is turned on, it should display the

correct time after initial set up. If the time is off too much, please check the clock battery inside the hand

controller and replace it if required. The battery is a 3V, CR1220 button battery.

STEP 9. Performing Polar Alignment

One of the CEM60’s unique features is that the polar scope can be accessed at anytime. It will not

be blocked by DEC axle as in a German equatorial mount. This makes it possible to adjust the polar

alignment during the tracking.

In order for an equatorial mount to track properly, it has to be accurately polar aligned.

Figure 21. Polar alignment

As indicated in Figure 22, the Polar Scope Dial has been divided into 12 hours along the angular

direction with half-hour tics. There are 2 groups, 6 concentric circles marked from 36’ to 44’ and 60’ to 70’,

respectively. The 36’ to 44’ concentric circles are used for polar alignment in the northern hemisphere using

Polaris. While the 60’ to 70’ circles are used for polar alignment in southern hemisphere using Sigma

Octantis.

Figure 22. Polar Scope

Figure 23. Polar Scope LED

Quick Polar Alignment

(1) Level the CEM60 mount and set it at Zero Position. Make sure the telescope is parallel to the pole

axis (R.A. axis) of the mount. If a finder scope is used, adjust it to be parallel to the telescope

optical axis. Remove both the Polar Axis Cover and Polar Scope Cover.

(2) Connect the polar scope illumination LED (Figure 23) to the Reticle socket located next to DEC

motor unit (Figure 3). Turn the mount power on. Use the Hand Controller (“Settings” => “Set

Eyepiece Light”) to set the illumination intensity.

(3) Use the Hand Controller (MENU => “Align” => “Pole Star Position”) to display the Polaris

Position on the LCD screen, as indicated in the left side of the figure below. For example, on May

30, 2010, 20:00:00 in Boston, United States (Lat N42º30’32” and Long W71º08’50”, 300 min

behind UT, DST set to Y), the Polaris Position is 1hr 26.8m and r = 41.5m.

(4) Look through the polar scope to find the Polaris. Use the Azimuth and Latitude Adjustment Knobs

to adjust the mount in both directions and put the Polaris in the same position on the Polar Scope

Dial as indicated on the HC LCD. In this case, the Polaris will be located at a radius of 41.5’ and

an angle of 1 hour 26.8 minute, as shown In Figure 24 (b).

DECdriveunit

Polaraxiscover

Polarscopecover

Az.adj.knobAz.Lockingnut

Lat.lockingclamp

Polaraxis

Lat.adj.knob

(a) (b)

Figure 24. Polaris Position shown on HC (a) and where to put on polar scope dial (b)

NOTE: If you are located in the southern hemisphere, Sigma Octantis will be chosen for Polar

Alignment. For example, on May 20, 2010, 20:00:00 in Sydney, Australia (LatS33º51’36” and Long

E151º12’40”), 600 min ahead of UT, the Sigma Octantis Position is 1hr21.8m and 64.4m.

BrightStar Polar Alignment

When the pole star is not in sight:

(1) Level the mount and set it at Zero Position. Align the telescope to the R.A. axis of the mount. If a

finder scope is used, adjust it to be parallel to the telescope optical axis.

(2) Use the HC (MENU => “Align” => “Polar Align”) to display the azimuth and altitude position of

several bright stars near the meridian. Select one that is visible with high altitude as the

Alignment Star A. Follow the HC instruction to move the Star A to the center of the eyepiece with

the combination of using the Latitude Adjustment Knob and the “◄” or “►” button. Press ENTER

to confirm the centering. Next, select a bright star that is close to the horizon as the Alignment

Star B. Center it using the Azimuth Adjustment Knob and the “◄” or “►” button (The “▲” and

“▼” buttons are not used here). Press ENTER to confirm the settings.

(3) The telescope will now slew back to Star A to repeat the above steps. The iteration can be

stopped when it is determined that the alignment error has been minimized. Press the BACK

button to exit the alignment procedure.

NOTE: It is highly recommended to use an eyepiece with illuminated crosshair for accurate

centering.

NOTE: The movement of the alignment star in your eyepiece may not be perpendicular but crossed,

depends on its location in the sky.

STEP 10. Returning Mount to Zero Position

After polar alignment and balancing OTA, return the mount to Zero Position, as shown in Figure 25.

The Zero Position is the position with the CW shaft pointing towards the ground, OTA/Dovetail is at the

highest position with its axis parallel to the polar axis and the OTA pointing to the CP. Loosen the DEC and

R.A. Gear Switches to adjust the mount to the Zero Position. Engage the clutches after each adjustment.

Remember, the hand controller needs to be at the Zero Position as well! The simplest way is turn the

mount power OFF and ON again to reset the hand controller. Alternatively you can use the hand controller

(MENU => “Goto Zero Position”) to set the mount to the Zero Position.

Figure 25. Zero position

4. Getting Started

In order to experience the full GOTO capability of GOTONOVA® technology it is very important to set

up the mount correctly before observation.

4.1. Setting the Mount and Performing Polar Alignment

Assemble your CEM60 mount according to Section 3.2. Make sure the mount is leveled. Turn the

mount power switch on. When the GPS receiver is connected to satellites, the hand controller LCD will

display GPS OK. The mount will have correct time and site information. You can also enter them manually

as described before. Mount an OTA and accessories, and carefully balance the mount on both R.A. and

DEC axes. Polar align the mount using either the Quick Polar Alignment or BrightStar Polar Alignment

Procedure.

When the mount is powered on, the default position for the mount should be the Zero Position, i.e.

the counterweight shaft is pointing to ground, telescope is at the highest position with its axis parallel to the

polar axis and the telescope is pointing to the North Celestial Pole, if you are located in northern

hemisphere. If the mount is not at the zero position, release the gear switches to adjust the mount to

approximately the zero position.

The exception for a mount to be not at the Zero Position is when the mount is switched on after it

was parked before powering off (MENU => “Telescope Motion” => “Park Scope” )

4.2. Manual Operation of the Mount

The mount can now be used to observe astronomical objects with the HC. Use arrow keys (►, ◄,

▼, and ▲) to point the telescope to the desired object. Use the number keys to change the slewing speed.

Press the STOP/0 button to start tracking.

4.3. One Star Alignment

Make sure the mount is at the ZERO position by pressing MENU => “Goto Zero Position”. Release

R.A. and DEC gear switches to manually adjust the mount to the zero position. Perform a “One Star Align”

to correct the Zero Position discrepancy.

To perform “One Star Align,” press MENU button, scroll down to “Align”, select “One Star Align”

and press ENTER. The hand controller will display a list of bright objects for you to select from. Select an

object using ▲ or ▼ key. Then press ENTER. After the mount slews to the target, use the arrow keys to

center it in your eyepiece. Then press ENTER. (More align details in 5.4)

4.4. Go to the Moon and Other Stars

Now the mount is ready for GOTO and tracking targets. One of the most common objects is the

Moon.

Press MENU, select and ENTER “Select and Slew”. Select a category (for example, “Solar

System”), then select an object of interest (for example, “Moon”). Press ENTER and the telescope will

slew to the object and automatically start tracking. If the target is not centered in your eyepiece, use the

arrow keys to center it. Then use MENU => “Sync to Target” for better performance.

4.5. Star Identification Function

The 8407 hand controller has a star identification function. After Polar Alignment and Set Time &

Site, slew the telescope to a bright star manually or using the GOTO function. Press ? (Help) button to

identify the star that the telescope is pointing to, as well as nearby bright stars if there are any.

4.6. Turning Off the Mount

When you have finished your observation, just simply turn the mount power off and disassemble the

mount and tripod.

If the mount is set up on a pier or inside an observatory, it is recommended that you return the

mount to Zero Position or park the telescope. This will ensure that there is no need for you to perform the

initial setup again when you power on the mount subsequently with the mount not moved from the parked

position.

4.7. Putting the Mount Back into the Carrying Case

Make sure that the Gear Switches are fully engaged before removing the mount from the tripod. Lay

the mount into the carrying case. Turn the R.A. Gear Switch clockwise all the way in to disengage the

gear system for transportation.

5. Complete Functions of Go2Nova® 8407Hand Controller

5.1. Select and Slew

Press the MENU button. From the main menu select “Select and Slew.” Select an object that you

would like to observe and press the ENTER key.

The Go2Nova® 8407 hand controller has a database of about 358,000 objects. Use the ► or ◄

buttons to move the cursor. Use the number buttons to enter the number, or the ▼ or ▲ buttons to change

the individual number. Hold on a button to fast scroll through the list. The “ ” indicates the object is above

the horizon, and a “ ” means it is below the horizon. In some catalogs those stars below the horizon will

not be displayed on the hand controller.

5.1.1. Solar System

There are 9 objects in the Solar system catalog.

5.1.2. Deep Sky Objects

This menu includes objects outside our Solar system such as galaxies, star clusters, quasars, and

nebulae.

 Named Objects: consists of 60 deep sky objects with their common names. A list of named deep

sky objects is included in Appendix E.

 Messier Catalog: consists of all 110 Messier objects.

 NGC IC Catalog: consists of 7,840 objects in the NGC catalog and 5,386 objects in the IC

catalog. To select an object from the NGC or IC catalog, move the cursor to NGC, using▲ or ▼

button to toggle between NGC and IC. Then move the cursor to a numerical position and use the

number button to select the object.

 UGC Catalog: consists of 12,921 objects.

 MCG Catalog: consists of 30,642 objects.

 Caldwell Catalog: consists of 109 objects.

 Abell Catalog: consists of 4,076 objects.

 Herschel Catalog: consists of 400 objects.

5.1.3. Stars

 Named Stars: consists of 195 stars with their common names. They are listed alphabetically. A

list is included in Appendix E.

 Binary Stars: consists of 210binary stars. A list is attached in Appendix E.

 GCVS: consists of 38,528 variable stars in the catalog.

 SAO Catalog: consists of 258,997SAO catalog objects. They are listed numerically.

5.1.4. Comets

This catalog contains 15 comets.

5.1.5. Asteroids

This catalog contains 116 asteroids.

5.1.6. Constellations

This catalog consists of 88 modern constellations. They are listed alphabetically. A list is attached in

Appendix E.

5.1.7. Custom Objects

It can store up to 60 user-defined objects, including comets.

5.1.8. Enter R.A. DEC

Here you can go to a target by entering its R.A. and DEC numbers.

5.2. Sync to Target

This operation will match the telescope's current coordinates to Target Right Ascension and

Declination. It can be used to correct GOTO pointing error. After slewing to an object, press MENU - then

scroll to “Sync to Target” and press ENTER. Follow the screen to do the sync. Using this function will re-

align the telescope to the selected object. Multiple syncs can be performed if needed. This operation is most

useful to find a faint star or nebula near a bright star.

“Sync to Target” will only work after “Select and Slew” is performed. You can change the moving

speed to make the centering procedure easier. Simply press a number (1 through 9) key to change the

speed. The default moving speed is 64X.

“Sync to Target” is similar to “One Star Align”, except that you choose the object to “sync” to. “One

Star Align” chooses the star/object for you.

5.3. Align

This function is used for aligning the telescope. The hand controller provides two polar alignment

methods. “Polar Align” uses a set of 2 bright stars for polar alignment. This provides a viable polar

alignment approach for those who can’t see the polar. The “Two Star Polar Align” is used to refine the

polar alignment using the AccuAlignTM polar scope. The system also provides three star alignment methods:

“SolarSys Align”, “One Star Align”, and “Multi-Star Align”. The mount has to be at Zero Position before

performing any star alignment.

5.3.1. Pole Star Position

This function displays the position of the Pole Star for Quick Polar Alignment using iOptron

AccuAlignTM polar scope. The position of Polaris is displayed in northern hemisphere or Sigma Octantis in

southern hemisphere.

5.3.2. Polar Align

This BrightStar Polar Alignment allows you do a polar alignment without seeing the Pole Star.

Press the MENU button, then select “Align” and “Polar Align”. The HC will display a list of bright alignment

stars near the meridian, with name, magnitude, azimuth and altitude position. Select one that is visible and

high in altitude as the Alignment Star A. Follow the HC instruction to move the Star A to the center of the

eyepiece with the combination of using Latitude Adjustment Knob and “◄” or “►” button. Press ENTER to

confirm the settings. Next, select a bright star that is close to the horizon as the Alignment Star B. Center it

using the Azimuth Adjustment Knob and “◄” or “►” button (The “

▲”

and “

▼”

buttons are not used here).

Press ENTER to confirm the settings.

The telescope will now slew back to Star A to repeat the above steps. The iteration can be stopped

when it is determined that the alignment error has been minimized. Press BACK button to exit the

alignment procedure.

NOTE: It is highly recommended to use an eyepiece with illuminated crosshairs for accurate centering.

NOTE: The movement of the alignment star in your eyepiece may not be perpendicular but crossed,

depends on its location in the sky.

5.3.3. One Star Alignment

Press MENU button and select “Align”. Select “One Star Align” and press ENTER. A list of

alignment stars that are above the horizon is computed based on your local time and location. With the

mount at the “Zero Position,” use ▲ and ▼ buttons to select a star and press ENTER. Center the target in

your eyepiece using arrow key. Press ENTER when finished. If your mount is set up correctly and polar

aligned, one star alignment should be sufficient for good GOTO accuracy. To increase the average pointing

accuracy over the sky, you may choose to do multi-star alignment.

5.3.4. Solar System Align

This function uses a planet or the moon as an alignment object. Press MENU button and select

“Align”. Select “Solar System Align” and press ENTER for available alignment object.

5.3.5. Multi-Star Align

With iOptron’s multi-star alignment, you can choose two, three, or as many stars as you want to

reduce the mount average pointing offset across the sky. First, make sure you perform the “One Star Align”

procedure.

Press MENU button and select “Align”. Select “Multi-Star Align” in the align menu. A list of

alignment stars that are above the horizon is computed based on your local time and location. With the

mount is at the “Zero Position,” use ▲ and ▼ buttons to select first alignment star and press ENTER.

Center the target in your eyepiece using the arrow keys. Press ENTER when finished. The hand controller

will prompt you to choose the second star. If the star you choose is too close to the first one, the system will

let you choose another one. When the mount is aligned with the second star, the two star alignment is

finished. You can reject the suggested star if it is blocked by a tree or other obstruction.

When you are done with the two star alignment, press the BACK button to finish the alignment.

Press ENTER key to select third star for further alignment.

5.3.6. Two Star Polar Align

This Two Star Polar Align may improve the polar alignment accuracy. It requires a wider view of

the sky, since the two alignment stars need to be far apart. Press MENU button and select “Align”. Select

“Two Star Polar Align” in the align menu. A list of alignment stars that are above the horizon is computed

based on your local time and location. With the mount at the “Zero Position,” use the ▲ and ▼ buttons to

select first alignment star and press ENTER. Center the target in your eyepiece using the arrow keys after

the mount slews to it. Press ENTER when finished. The hand controller will prompt you to choose the

second star. After centering the second star, the two-star alignment is finished. You can reject the

suggested star if it is blocked by a tree or other obstruction.

After the two-star alignment, a pointing error between the R.A. axis and the polar axis will be

recorded. This number can be used to fine tune the R.A. axis.

For example, if the screen shows 7.5" lower and 4.3" east, it means that THE MOUNT axis is

pointing lower and to the east.

5.3.7. Display Axes Error

This displays the pointing error between the R.A. axis and the polar axis.

5.4. Settings

5.4.1. Set Time & Site

Refer to STEP 8 in Section 3.2.

5.4.2. Set Beep

The Hand Controller allows a user to turn off the beep partially, or even go to the silent mode by

press “MENU =>Settings =>Set Beep”,

Select one of three available modes:

"Always On” – a beep will be heard on each button operation or mount movement;

“On but Keyboard” – a beep will be heard only when the mount slewing to the object or there is a

waning message; or

“Always Off” – all the sound will be turned off, including SUN wrning message.

5.4.3. Set Display

Press “MENU =>Settings =>Set Display”,

Use the arrow keys to adjust LCD display contrast, LCD backlight intensity and keypads backlight

Intensity.

5.4.4. Set Guider Rate

This is an advanced function for autoguiding when a guiding camera is equipped either via a Guide

Port or an ASCOM protocol. Before autoguiding, align the polar axis carefully. Select a proper guiding

speed. The suppositional guiding speed can be selected from ±0.10X to ±0.80X. Follow the autoguiding

software for detailed operation.

Figure 26. Guide port pinout

Set Up Time and Site

Set Beep

Set Display

Set Guiding Rate

Set Tracking Rate

Set Parking Position

Meridian Treatment

Tracking Below Horizon

Set Up Time and Site

Set Beep

Set Display

Set Guiding Rate

Set Tracking Rate

Set Parking Position

Meridian Treatment

Tracking Below Horizon

The guide port wiring is shown in Figure 26, which is same as that from Celestron / Starlight Xpress /

Orion Mount / Orion Autoguider/ QHY5 autoguider pinout.

If you have an autoguider that has a pinout similar to ST-i of SBIG, such as Meade/ Losmandy/

Takahashi/ Vixen, make sure a proper guiding cable is used. Refer to your guiding camera and guiding

software for detailed operation.

DO NOT plug your ST-4 guiding camera cable into any iOptron port or HBX port. It may damage the

mount or guiding camera electronics.

5.4.5. Set Tracking Rate

You can set up the mount tracking rate by selecting “Set Tracking Rate”. Then the user can select

“Sidereal speed”, “Lunar speed”, “Solar speed”, “King speed” and “User defined speed”. For “User

defined speed,” it can be adjusted from 0.9900X to 1.0100X of sidereal speed by pressing the ▲or ▼

button or the number buttons.

5.4.6. Set Parking Position

You may park the telescope before powering off the mount. This is very useful if the mount is on a

permanent pier or the mount will not be moved in between observation sessions. The mount will keep all the

alignment info and reference points.

There are four parking positions. “Default Horizon Pos.” will park the scope horizontally on the right

side of the mount. “Default Zenith Pos.” will park the scope vertically on the right side of the mount.

“Current Position” will park the scope at its current position. Or you can enter any altitude and azimuth

combination for “Custom Parking Pos.” When the mount is turned on, it will use last time parking position

setting as the default setting.

5.4.7. Meridian Treatment

This function tells the mount what to do when it tracks past the meridian. There are two options.

Telescope Flip will flip the telescope and continuously track the object. Stop Tracking Pos. will stop the

mount when it passes the meridian. You can define how far the mount will track pass the meridian before it

stops. The maximum traveling distance is 15°passing meridian, which equals to 1 hour.

5.4.8. Track Below Horizon

This function allows the mount to keep tracking an object even it is below the horizon but still can be

seen from an elevated observation site, such as on a hill. The power on default is at OFF state. One can

turn it on when needed.

5.4.9. Set Eyepiece Light

Use this function to adjust the light intensity of a CEM60 illuminated polar scope. If you have an

illuminated-reticule eyepiece and has the same socket size, you may use this option to adjust its light

intensity.

5.4.10. Heating Controller

Turn on/off the controller LCD back heater. When select ON for “Heating Controller”, the heater

would automatically be turned on when the ambient temperature reached 0°C (32°F) and shut off at 10°C.

5.5. Electric Focuser

This function controls iOptron electric focuser.

5.6. PEC Option

This function only works for a non-high precision encoder version of CEM60 mount.

5.6.1. PEC Playback

You can turn “PEC Playback On” while you do the tracking, especially for long time astro-

photography. The default status is “PEC Playback Off when the mount is turned on.

5.6.2. Record PEC

All equatorial mounts have a small variation in the worm gears which can be corrected by using

Period Error Correction or PEC. PEC is a system which improves the tracking accuracy of the mount by

compensating for variations in the worm gear and is especially useful when doing astrophotography without

autoguiding. Because the variations are regular, it is possible to record the corrections required to cancel

out the worm gear variations and to play them back to correct the periodic error caused by the variations.

In order to use the PEC function, the Go2Nova hand controller needs to record the PE first. The

periodic error of the worm gear drive will be used to correct periodic error. The data will be lost when the

power is turned off.

Here’s how to use the PEC function.

1. Setup the mount with a telescope in autoguiding condition by connecting a guiding camera to a

computer via mount’s Guide Port or ASCOM protocol;

2. Select “MENU=>Settings => Set Guiding Rates.” Set a guiding speed from 0.10X to 0.80X. The

default number is 0.25X;

3. Then press the BACK button and select “PEC Option” from the menu. Use the ▲ and ▼ scroll

buttons to display the “Record PEC” option and press ENTER to start record the PE.

4. It takes the worm gear 300 seconds to make one complete revolution. After 300 seconds PEC will

automatically stop recording. The PEC value will be permanently stored inside PEC chip on R.A. motor

drive until a new data are recorded.

5. If you want to re-record the periodic error, select “Record PEC” and repeat the recording

processes again. The previously recorded information will be replaced with the current information.

5.7. Telescope Motion

5.7.1. Park Scope

This function parks the scope to a preset position.

5.7.2. Search Zero Pos.

In the event of power failure, the mount will lose all its alignment info. It will be very troublesome for

a remote observation site where the mount might be controlled via internet. The CEM60 has been equipped

with a function that can find the zero position for an initial mount set up.

Select “Search Zero Pos.,” the mount will starting slew slowly and find the R.A. and DEC position to

set the mount to zero position. Do a “One Star Align” to correct any zero position discrepancy.

NOTE: This function is not intended for daily zero position setup.

5.8. Edit User Objects

Besides various star lists available in the hand controller -- you can add, edit or delete your own

user-defined objects, especially newly found comets. You can also add your favorite observation object into

the user object list for easy sky surfing. Up to 60 comets and other user objects can be stored.

5.8.1. Enter a New Comet

Press “MENU =>Edit User Objects” to set user objects.

Select “User Defined Comet” to add/browse/delete the user-defined comet list. Find the orbit

parameters of a comet in the SkyMap format. For example, the C/2012 ISON has an orbit parameter:

No. Name Year M Day q e ω Ω i H G

C/2012 S1 ISON 2013 11 28.7960 0.0125050 1.0000030 345.5088 295.7379 61.8570 6.0 4.0

Select “Add a New Comet” to add a new one:

The hand controller will display the parameter entry screen:

Enter the parameter using the arrow button and number keys. Press ENTER. A confirmation screen

will show. Press ENTER again to confirm storing your object under assigned user object number, or press

BACK button to cancel it.

5.8.2. Enter Other Objects or Observation List

Press “MENU =>Edit User Objects” to set user objects.

Select “Other Objects” to enter you own object:

Add a New Record

Browse Records

Delete One Record

Delete All Records

User Defined Comet

Other Objects

Enter Comet Parameter

Date: 0000-00-00.0000

q: 0.000000

e: 0.000000

ω: 000.0000

Ω: 000.0000

i: 000.0000

Add a New Comet

Browse Comets

Delete a Comet

Delete All Comets

User Defined Comet

Other Objects

Select “Add a New Record”. A screen will display asking to Enter R.A. and DEC:

You may enter the R.A. and DEC coordinates of the star you want to watch, and press ENTER to

confirm.

A more useful application of this function is to store your favorite viewing objects before heading to

the field. When the “Enter R.A. and DEC” screen appears, press the MENU button. It brings up the star

catalogs that you can select the star from. Follow the screen to add your favorite objects. Press BACK

button to go back one level.

Press the BACK button few times to go back to object entry submenu. You may review the records

or delete the one you don’t want it anymore. Press BACK button to finish the operation. Now you can slew

to your favorite stars from “Custom Objects” catalog using “Select and Slew.”

5.9. Firmware Information

This option will display firmware version information of Main board, R.A. board, DEC board and hand

controller.

5.10. Goto Zero Position

This moves your telescope to its Zero Position. When the power is turned on, the mount assumes

the Zero Position. This is the reference point for alignment and GOTO functions.

Enter R.A. and DEC

R.A.: 00h00m00s

DEC: +00d00m00s

6. Maintenance and Servicing

6.1. Maintenance

The CEM60 mount is designed to be maintenance free. Do not overload the mount. Do not drop the

mount, this will damage the mount or degrade the GOTO tracking accuracy permanently. Use a wet cloth to

clean the mount and hand controller. Do not use solvent.

If your mount is not to be used for an extended period, dismount the OTAs and counterweight(s).

6.2. iOptron Customer Service

If you have any question concerning your CEM60 mount contact iOptron Customer Service

Department. Customer Service hours are from 9:00 AM to 5:00 PM, Eastern Time, Monday through Friday.

In the event that the CEM60 requires factory servicing or repairing, write or call iOptron Customer Service

Department first to receive a RMA# before returning the mount to the factory. Please provide details as to

the nature of the problem as well as your name, address, e-mail address, purchase info and daytime

telephone number. We have found that most problems can be resolved by e-mails or telephone calls. So

please contact iOptron first to avoid returning the mount for repair.

It is strongly suggested that to send technical questions to support@ioptron.com. Call in the U.S.

1.781.569.0200.

6.3. Product End of Life Disposal Instructions

This electronic product is subject to disposal and recycling regulations that vary by country

and region. It is your responsibility to recycle your electronic equipment per your local

environmental laws and regulations to ensure that it will be recycled in a manner that protects

human health and the environment. To find out where you can drop off your waste equipment

for recycling, please contact your local waste recycle/disposal service or the product

representative.

6.4. Battery Replacement and Disposal Instructions

Battery Disposal- Batteries contain chemicals that, if released, may affect the environment

and human health. Batteries should be collected separately for recycling, and recycled at a

local hazardous material disposal location adhering to your country and local government

regulations. To find out where you can drop off your waste battery for recycling, please

contact your local waste disposal service or the product representative.

Appendix A. Technical Specifications

MountCenter‐balancedEquatorialMount(CEM)

Payload60lb(27.2kg),excludecounterweight

Mountweight27lb(12.3kg)

Payload/Mountweightratio2.22:1

MaterialAllmetal(except GPScover)

Latitudeadjustmentrange0

~70

Azimuthadjustmentrange±8

RightAscensionwormwheel

146mm,288toothaluminum

Declinationwormwheel

146mm,288teethaluminum

PECPPEC/RealtimePEC

PE~±5arcsecp‐p(#7200)or<0.5arcsecRMS(#7201)

Counterweightshaft

28x450mmStainlesssteel

Counterweight21lb(9.5 kg)

Mountbasesize

150mm

MotordriveSteppermotor

Resolution0.06 arcseconds

Slewspeed1×,2×,8×,16×,64×,128×,256×,512×,MAX(~3.75°/sec)

Powerconsumption0.6A(Tracking),1.1A(GOTO)

Powerrequirement12VDC2A

ACadapter100V~240V(included)

PolarScopeAccuAligningTM darkfieldilluminated,2arcmin

LevelindicatorLevelbubble

Dovetailsaddle8”Losmandy/Vixendualsaddle

HandControllerGo2Nova® 8407,359,000objectsdatabase,starrecognition

MeridiantreatmentStop(0‐15

pass),autoflip

GPSInternal32‐channelGPS

AutoguideportST‐4

CommunicationportSerialPort

PCcomputercontrolYes(ASCOM)

Cablemanagement4XUSB,2XDC12V(MAX5A),6P6C

Operationtemperature‐20

C~+45

TripodOptional2"tripodStainlessSteel(8kg)/Pier(10kg)

WarrantyTwoyearlimited

Appendix B. Go2Nova® 8407HC MENU STRUCTURE

Select and Slew

Solar System

Comets

Asteroids

Stars

Mercury

Venus

Mars

Jupiter

Saturn

Uranus

Neptune

Sun

Moon

Deep Sky Objects

Named Object

Messier Catalog

NGC IC

UGC

MCG

Caldwell Catalog

Abell Catalog

Herschel Catalog

Named Stars

Binary Stars

GCVS

SAO Catalog

Constellations

Custom Objects

Enter R.A. and DEC

Sync. To Target

Other Objects

User Def ined Comets

Settings

Set Time & Site

Set Display

Set Guiding Rate

Meridian Treatment

Set Eyepiece Light

Heating Controller

Alignment

One Star Align

Multi-Star Align

Two Star Polar Align

Pole Star Position

Set Tracking Rate

Sidereal Speed

Lunar Speed

Solar Speed

User Defined Speed

King Speed

Polar Align

Track Below Horizon

Set Parking Position

Def ault Horizon Pos.

Def ault Zenith Pos.

Stop Tracking Pos.

Meridian Flip

Solar System Align Align

Display Axes Error

Electric Focuser

Set Beep

Current Position.

Custom Park Pos.

Firmware Information

Goto Zero Position

Add a New Comet

Browse Comets

Delete a Comet

Clear All Comets

User Defined Comet

Set User Objects

Add a New Object

Browse Objects

Delete an Object

Clear All Objects

Other Objects

Telescope Motion

Park Scope

Search Zero Pos.

PEC Options

PEC Playback Off

Record PEC

PEC Playback On

PEC Data Integrity

Appendix C. Firmware Upgrade

The firmware in the 8407Hand Controller and control boards can be upgraded by the customer.

Please check iOptron’s website, www.iOptron.com, under Support Directory/CEM Mounts, select CEM60

for details.

Appendix D. Computer Control a CEM60 Mount

The CEM60 mount can be connected to a computer using supplied serial cable. A RS232 to USB

adapter (not supplied) is needed if your computer does not have a serial port, like most of the laptops on the

market today. Follow the adapter instructions to install the adapter driver.

When the communication between the mount and computer has been established, the mount can be

controlled via ASCOM protocol.

To control the mount via ASCOM protocol, you need:

1. Download and install ASCOM Platform from http://www.ascom-standards.org/. Make sure your

PC meets the software requirement. Refer to the ascom-standards website for details.

2. Download and install the latest iOptron Telescope .NET ASCOM drive from iOptron website.

3. Planetarium software that supports ASCOM protocol. Follow software instructions to select the

iOptron Telescope.

Please refer to iOptron website, www.iOptron.com, under Support Directory/ASCOM Driver, iOptron

Telescope .NET ASCOM Driver, for more detail.

CEM60 mount may also be directly controlled by other third party software and accessories. Please

contact them for more information.

Appendix E. Go2Nova®Star List

Messier Catalog

This table is licensed under the GNU Free Documentation License. It uses material from the Wikipedia

article List of Messier objects

001 Acamar 050 Asellus Australis 099 Kaus Media 148 Rastaba

002 Achernar 051 Asellus Borealis 100 Keid 149 Regulus

003 Acrux 052 Aspidiske 101 Kitalpha 150 Rigel

004 Acubens 053 Atik 102 Kochab 151 Rigel Kentaurus

005 Adhafera 054 Atlas 103 Kornephoros 152 Ruchbah

006 Adhara 055 Atria 104 Kurhah 153 Rukbat

007 Al Na’ir 056 Avoir 105 Lesath 154 Sabik

008 Albali 057 Azha 106 Maia 155 Sadachbia

009 Alberio 058 Baten Kaitos 107 Marfik 156 Sadalbari

010 Alchibar 059 Beid 108 Markab 157 Sadalmelik

011 Alcor 060 Bellatrix 109 Matar 158 Sadalsuud

012 Alcyone 061 Betelgeuse 110 Mebsuta 159 Sadr

013 Aldebaran 062 Biham 111 Megrez 160 Saiph

014 Alderamin 063 Canopus 112 Meissa 161 Scheat

015 Alfirk 064 Capella 113 Mekbuda 162 Schedar

016 Algedi 065 Caph 114 Menkalinan 163 Seginus

017 Algenib 066 Castor 115 Menkar 164 Shaula

018 Algiebra 067 Celabrai 116 Menkent 165 Sheiak

019 Algol 068 Celaeno 117 Menkib 166 Sheratan

020 Algorab 069 Chara 118 Merak 167 Sirius

021 Alhena 070 Chertan 119 Merope 168 Skat

022 Alioth 071 Cor Caroli 120 Mesartim 169 Spica

023 Alkaid 072 Cursa 121 Miaplacidus 170 Sterope

024 Alkalurops 073 Dabih 122 Mintaka 171 Sulafat

025 Alkes 074 Deneb 123 Mira 172 Syrma

026 Almach 075 Deneb Algedi 124 Mirach 173 Talitha

027 Alnasl 076 Deneb Kaitos 125 Mirfak 174 Tania Australis

028 Alnilam 077 Denebola 126 Mirzam 175 Tania Borealis

029 Alnitak 078 Dubhe 127 Mizar 176 Tarazed

030 Alphard 079 Edasich 128 Muphrid 177 Taygeta

031 Alphecca 080 Electra 129 Muscida 178 Thuban

032 Alpheratz 081 Elnath 130 Nashira 179 Unukalhai

033 Alrakis 082 Eltanin 131 Nekkar 180 Vega

034 Alrescha 083 Enif 132 Nihal 181 Vindemiatrix

035 Alshain 084 Errai 133 Nunki 182 Wasat

036 Altair 085 Fomalhaut 134 Nusakan 183 Wazn

037 Altais 086 Furud 135 Peacock 184 Yed Posterior

038 Alterf 087 Gacrux 136 Phact 185 Yed Prior

039 Aludra 088 Giausar 137 Phecda 186 Zaniah

040 Alula Australis 089 Gienah 138 Pherkad 187 Zaurak

041 Alula Borealis 090 Gomeisa 139 Pleione 188 Zavijava

042 Alya 091 Graffias 140 Polaris 189 Zosma

043 Ancha 092 Groombridge 1830 141 Pollux 190 Zubenelgenubi

044 Ankaa 093 Grumium 142 Porrima 191 Zubeneschamali

045 Antares 094 Hamal 143 Procyon 192 Barnard's Star

046 Arcturus 095 Homan 144 Propus 193 Kapteyn's Star

047 Arkab 096 Izar 145 Rassalas 194 Kruger 60

048 Arneb 097 Kaus Australis 146 Rasagethi 195 Luyten's Star

049 Ascella 098 Kaus Borealis 147 Rasalhague

Named Star List

No. Constellation Abbreviation No. Constellation Abbreviation

ndromeda

nd 45 Lacerta Lac

ntlia

nt 46 Leo Leo

pus

ps 47 Leo Minor LMi

quarius

qr 48 Lepus Lep

quila

ql 49 Libra Lib

ra 50 Lupus Lup

ries

ri 51 Lynx Lyn

uriga

ur 52 Lyra Lyr

9Boötes Boo 53 Mensa Men

10 Caelum Cae 54 Microscopium Mic

11 Camelopardalis Cam 55 Monoceros Mon

12 Cancer Cnc 56 Musca Mus

13 Canes Venatici CVn 57 Norma Nor

14 Canis Major CMa 58 Octans Oct

15 Canis Minor CMi 59 Ophiuchus Oph

16 Capricornus Cap 60 Orion Ori

17 Carina Car 61 Pavo Pav

18 Cassiopeia Cas 62 Pegasus Peg

19 Centaurus Cen 63 Perseus Per

20 Cepheus Cep 64 Phoenix Phe

21 Cetus Cet 65 Pictor Pic

22 Chamaeleon Cha 66 Pisces Psc

23 Circinus Cir 67 Piscis Austrinus Ps

24 Columba Col 68 Puppis Pup

25 Coma Berenices Com 69 Pyxis Pyx

26 Corona Australis Cr

70 Reticulum Ret

27 Corona Borealis CrB 71 Sagitta Sge

28 Corvus Crv 72 Sagittarius Sgr

29 Crater Crt 73 Scorpius Sco

30 Crux Cru 74 Sculptor Scl

31 Cygnus Cyg 75 Scutum Sct

32 Delphinus Del 76 Serpens Ser

33 Dorado Dor 77 Sextans Sex

34 Draco Dra 78 Taurus Tau

35 Equuleus Equ 79 Telescopium Tel

36 Eridanus Eri 80 Triangulum Tri

37 Fornax For 81 Triangulum Australe Tr

38 Gemini Gem 82 Tucana Tuc

39 Grus Gru 83 Ursa Major UMa

40 Hercules Her 84 Ursa Minor UMi

41 Horologium Hor 85 Vela Vel

42 Hydra Hya 86 Virgo Vir

43 Hydrus Hyi 87 Volans Vol

44 Indus Ind 88 Vulpecula Vul

Modern Constellations

ID No. OBJECT NGC # Messier# IC#

(Abell) U(UGC) ID No. OBJECT NGC # Messier# IC#

(Abell) U(UGC)

1 Andromeda Galaxy 224 31 31 Hind's Variable Nebula 1555

2 Barnards Galaxy 6822 32 Hubble's Variable Nebula 2261

3 Beehive Cluster 2632 44 33 Integral Sign Galaxy 3697

4 Blackeye Galaxy 4926 64 34 Jewel Box Cluster 4755

5 Blinking Planetary Nebula 6826 35 Keyhole Nebula 3372

6 Blue Flash Nebula 6905 36 Lagoon Nebula 6523 8

7 Blue Planetary 3918 37 Little Gem 6445

8 Blue Snowball Nebula 7662 38 Little Gem Nebula 6818

9 Box Nebula 6309 39 Little Ghost Nebula 6369

10 Bubble Nebula 7635 40 North American Nebula 7000

11 Bipolar Nebula 6302 41 Omega Nebula 6618 17

12 Butterfly Cluster 6405 6 42 Orion Nebula 1976 42

13 California Nebula 1499 43 Owl Nebula 3587 97

14 Cat's Eye Nebula 6543 44 Pelican Nebula 5070

15 Cocoon Nebula 5146 45 Phantom Streak Nebula 6741

16 Cone Nebula 2264 46 Pinwheel Galaxy 598 33

17 Cork Nebula 650-51 76 47 Pleiades 45

18 Crab Nebula 1952 1 48 Ring Nebula 6720 57

19 Crescent Nebula 6888 49 Ring Tail Galaxy 4038

20 Draco Dwarf 10822 50 Rosette Nebula 2237

21 Duck Nebula 2359 51 Saturn Nebula 7009

22 Dumbbell Nebula 6853 27 52 Sextans B Dwarf 5373

23 Eagle Nebula 16 53 Small Magellanic Cloud 292

24 Eight-Burst Nebula 3132 54 Sombrero Galaxy 4594 104

25 Eskimo Nebula 2392 55 Spindle Galaxy 3115

26 Flaming Star Nebula 405 56 Tank Track Nebula 2024

27 Ghost of Jupiter 3242 57 Trifid Nebula 6514 20

28 Great Cluster 6205 13 58 Ursa Minor Dwarf 9749

29 Helix Nebula 7293 59 Whirlpool Galaxy 5194 51

30 Hercules Galaxy Cluster 2151 60 Wild Duck Cluster 6705 11

Deep Sky Object List

No. Ob

ect Const Sep. Ma

itude SAO Comm. Name No. Ob

ect Const Sep. Ma

itude SAO Comm. Name

1 Gam And 9.8 2.3 / 5.1

37734 Almaak 36 Eta Cas 12.9 3.5 / 7.5

21732 Achird

2 Pi And 35.9 4.4 / 8.6

54033 37 Iot Cas 2.3 4.7/7.0/8.2

12298

3 Bet Aql 12.8 3.7 / 11

125235 Alshain 38 Psi Cas 25 4.7 / 8.9

11751

4 11 Aql 17.5 5.2 / 8.7

104308 39 Sig Cas 3.1 5.0 / 7.1

35947

5 15 Aql 34 5.5 / 7.2

142996 40 E3053 Cas 15.2 5.9 / 7.3 10937

6 E2489 Aql 8.2 5.6 / 8.6

104668 41 3 Cen 7.9 4.5 / 6.0

204916

7 57 Aql 36 5.8 / 6.5

143898 42 Bet Cep 13.6 3.2 / 7.9

10057 Alfirk

8 Zet Aqr 2.1 4.3 / 4.5

146108 43 Del Cep 41 3.5 / 7.5

34508

9 94 Aqr 12.7 5.3 / 7.3

165625 44 Xi Cep 7.6 4.3 / 6.2

19827 Al kurhah

10 41 Aqr 5.1 5.6 / 7.1

190986 45 Kap Cep 7.4 4.4 / 8.4

9665

11 107 Aqr 6.6 5.7 / 6.7

165867 46 Omi Cep 2.8 4.9 / 7.1

20554

12 12 Aqr 2.5 5.8 / 7.3

145065 47 E2840 Cep 18.3 5.5 / 7.3

33819

13 Tau Aqr 23.7 5.8 / 9.0

165321 48 E2883 Cep 14.6 5.6 / 7.6

19922

14 Gam Ari 7.8 4.8 / 4.8

92681 Mesartim 49 Gam Cet 2.8 5.0 / 7.7

110707 Kaffaljidhma

15 Lam Ari 37.8 4.8 / 6.7

75051 50 37 Cet 50 5.2 / 8.7

129193

16 The Aur 3.6 2.6 / 7.1

58636 51 66 Cet 16.5 5.7 / 7.5

129752

17 Nu Aur 55 4.0 / 9.5

58502 52 Eps CMa 7.5 1.5 / 7.4 172676 Adhara

18 Ome Aur 5.4 5.0 / 8.0

57548 53 Tau CMa 8.2 4.4/10/11

173446

19 Eps Boo 2.8 2.5 / 4.9

83500 Izar 54 145 CMa 25.8 4.8 / 6.8

173349

20 Del Boo 105 3.5 / 7.5

64589 55 Mu CMa 2.8 5.0 / 7.0

152123

21 Mu 1 Boo 108 4.3 / 6.5

64686 Alkalurops 56 Nu 1 CMa 17.5 5.8 / 8.5

151694

22 Tau Boo 4.8 4.5 / 11

100706 57 Iot Cnc 30.5 4.2 / 6.6

80416

23 Kap Boo 13.4 4.6 / 6.6

29046 58 Alp Cnc 11 4.3 / 12

98267 Acubens

24 Xi Boo 6.6 4.7 / 6.9

101250 59 Zet Cnc 6 5.1 / 6.2

97646

25 Pi Boo 5.6 4.9 / 5.8

101139 60 24 Com 20.6 5.0 / 6.6

100160

26 Iot Boo 38 4.9/7.5/13

29071 61 35 Com 1.2 5.1/7.2/9.1

82550

27 E1835 Boo 6.2 5.1 / 6.9

120426 62 2 Com 3.7 5.9 / 7.4 82123

28 44 Boo 2.2 5.3 / 6.2

45357 63 Zet CrB 6.1 5.0 / 6.0

64833

29 Cam 2.4 4.2 / 8.5

24054 64 Gam Crt 5.2 4.1 / 9.6

156661

30 32 Cam 21.6 5.3 / 5.8

2102 65 Del Crv 24.2 3.0 / 9.2

157323 Algorab

31 Alp 2 Cap 6.6 3.6 / 10

163427 Secunda giedi 66 Alp CVn 19.4 2.9 / 5.5

63257 Cor caroli

32 Alp 1 Cap 45 4.2 / 9.2

163422 Prima giedi 67 25 CVn 1.8 5.0 / 6.9

63648

33 Pi Cap 3.4 5.2 / 8.8

163592 68 2 CVn 11.4 5.8 / 8.1

44097

34 Omi Cap 21 5.9 / 6.7 163625 69 Gam Cyg 41 2.2 / 9.5

49528 Sadr

35 Alp Cas 64.4 2.2 / 8.9

21609 Shedir 70 Del Cyg 2.5 2.9 / 6.3

48796

Double Star List

No. Ob

ect Const Sep. Ma

itude SAO Comm. Name No. Ob

ect Const Sep. Ma

itude SAO Comm. Name

71 Bet Cyg 34.4 3.1 / 5.1

87301 Albireo 106 Del Her 8.9 3.1 / 8.2

84951 Sarin

72 Omi 1 Cyg 107 3.8 / 6.7

49337 107 Mu Her 34 3.4 / 9.8

85397

73 52 Cyg 6.1 4.2 / 9.4

70467 108 Alp Her 4.6 3.5 / 5.4

102680 Rasalgethi

74 Ups Cyg 15.1 4.4 / 10

71173 109 Gam Her 42 3.8 / 9.8

102107

75 Mu Cyg 1.9 4.7 / 6.1

89940 110 Rho Her 4.1 4.6 / 5.6

66001

76 Psi Cyg 3.2 4.9 / 7.4

32114 111 95 Her 6.3 5.0 / 5.2

85647

77 17 Cyg 26 5.0 / 9.2

68827 112 Kap Her 27 5.0 / 6.2

101951

78 61 Cyg 30.3 5.2 / 6.0

70919 113 E2063 Her 16.4 5.7 / 8.2

46147

79 49 Cyg 2.7 5.7 / 7.8

70362 114 100 Her 14.3 5.9 / 5.9 85753

80 E2762 Cyg 3.4 5.8 / 7.8

70968 115 54 Hya 8.6 5.1 / 7.1

182855

81 E2741 Cyg 1.9 5.9 / 7.2 33034 116 HN69 Hya 10.1 5.9 / 6.8 181790

82 Gam Del 9.6 4.5 / 5.5

106476 117 Eps Hyd 2.7 3.4 / 6.8

117112

83 Eta Dra 5.3 2.7 / 8.7

17074 118 The Hyd 29.4 3.9 / 10

117527

84 Eps Dra 3.1 3.8 / 7.4

9540 Tyl 119 N Hyd 9.4 5.6 / 5.8

179968

85 47 Dra 34 4.8 / 7.8

31219 120 Lac 28.4 4.5 / 10

72155

86 Nu Dra 61.9 4.9 / 4.9

30450 121 8 Lac 22 5.7/6.5/10

72509

87 Psi Dra 30.3 4.9 / 6.1

8890 122 Gam 1 Leo 4.4 2.2 / 3.5

81298 Algieba

88 26 Dra 1.7 5.3 / 8.0

17546 123 Iot Leo 1.7 4.0 / 6.7

99587

89 16&17 Dra 90 5.4/5.5/6.4

30012 124 54 Leo 6.6 4.3 / 6.3

81583

90 Mu Dra 1.9 5.7 / 5.7

30239 125 Gam Lep 96 3.7 / 6.3

170757

91 40/41 Dra 19.3 5.7 / 6.1

8994 126 Iot Lep 12.8 4.4 / 10

150223

92 1 Equ 10.7 5.2 / 7.3

126428 127 Kap Lep 2.6 4.5 / 7.4

150239

93 The Eri 4.5 3.4 / 4.5

216114 Acamar 128 h3752 Lep 3.2 5.4 / 6.6

170352

94 Tau 4 Eri 5.7 3.7 / 10

168460 129 Iot Lib 57.8 4.5 / 9.4

159090

95 Omi 2 Eri 8.3 4.4/9.5/11

131063 Keid 130 Lib 23 5.7 / 8.0

183040

96 32 Eri 6.8 4.8 / 6.1

130806 131 Mu Lib 1.8 5.8 / 6.7

158821

97 39 Eri 6.4 5.0 / 8.0

149478 132 Eta Lup 15 3.6 / 7.8

207208

98 Alp For 5.1 4.0 / 6.6

168373 Fornacis 133 Xi Lup 10.4 5.3 / 5.8

207144

99 Ome For 10.8 5.0 / 7.7

167882 134 38 Lyn 2.7 3.9 / 6.6

61391

100 Alp Gem 3.9 1.9 / 2.9

60198 Castor 135 12 Lyn 1.7 5.4/6.0/7.3

25939

101 Del Gem 5.8 3.5 / 8.2

79294 Wasat 136 19 Lyn 14.8 5.8 / 6.9

26312

102 Lam Gem 9.6 3.6 / 11

96746 137 Bet Lyr 46 3.4 / 8.6

67451 Sheliak

103 Kap Gem 7.1 3.6 / 8.1

79653 138 Zet Lyr 44 4.3 / 5.9

67321

104 Zet Gem 87 3.8/10/8.0

79031 Mekbuda 139 Eta Lyr 28.1 4.4 / 9.1

68010 Aldafar

105 38 Gem 7.1 4.7 / 7.7

96265 140 Eps 1 Lyr 2.6 5.0 / 6.1 67309 Double dbl1

No. Ob

ect Const Sep. Ma

itude SAO Comm. Name No. Ob

ect Const Sep. Ma

itude SAO Comm. Name

141 Eps 2 Lyr 2.3 5.2 / 5.5 67315 Double dbl2 176 Zet Psc 23 5.6 / 6.5

109739

142 Alp Mic 20.5 5.0 / 10

212472 177 Kap Pup 9.9 4.5 / 4.7

174199

143 Zet Mon 32 4.3 / 10

135551 178 Eta Pup 9.6 5.8 / 5.9

174019

144 Eps Mon 13.4 4.5 / 6.5

113810 179 Eps Scl 4.7 5.4 / 8.6

167275

145 Bet Mon 7.3 4.7/4.8/6.1

133316 180 Bet Sco 13.6 2.6 / 4.9

159682 Graffias

146 15 Mon 2.8 4.7 / 7.5

114258 181 Sig Sco 20 2.9 / 8.5

184336 Alniyat

147 70 Oph 4.5 4.0 / 5.9

123107 182 Nu Sco 41 4.2 / 6.1

159764 Jabbah

148 67 Oph 55 4.0 / 8.6

123013 183 2 Sco 2.5 4.7 / 7.4

183896

149 Lam Oph 1.5 4.2 / 5.2

121658 Marfic 184 Sco 23 5.4 / 6.9

207558

150 Xi Oph 3.7 4.4 / 9.0

185296 185 Hn39 Sco 5.4 5.9 / 6.9 184369

151 36 Oph 4.9 5.1 / 5.1

185198 186 12 Sco 3.9 5.9 / 7.9 184217

152 Tau Oph 1.7 5.2 / 5.9

142050 187 Bet Ser 31 3.7 / 9.0

101725

153 Rho Oph 3.1 5.3 / 6.0

184382 188 Del Ser 4.4 4.2 / 5.2

101624

154 39 Oph 10.3 5.4 / 6.9

185238 189 Nu Ser 46 4.3 / 8.5

160479

155 Bet Ori 9.5 0.1 / 6.8 131907 Rigel 190 The Ser 22.3 4.5 / 5.4

124070 Alya

156 Del Ori 53 2.2 / 6.3

132220 Mintaka 191 59 Ser 3.8 5.3 / 7.6

123497

157 Iot Ori 11.3 2.8 / 6.9

132323 Nair al saif 192 Zet Sge 8.5 5.0 / 8.8

105298

158 Lam Ori 4.4 3.6 / 5.5

112921 Meissa 193 Eta Sgr 3.6 3.2 / 7.8

209957

159 Sig Ori 13 3.8/7.2/6.5

132406 194 Sgr 5.5 5.2 / 6.9

209553

160 Rho Ori 7.1 4.5 / 8.3

112528 195 Phi Tau 52 5.0 / 8.4

76558

161 E747 Ori 36 4.8 / 5.7

132298 196 Chi Tau 19.4 5.7 / 7.6

76573

162 1 Peg 36.3 4.1 / 8.2

107073 197 118 Tau 4.8 5.8 / 6.6

77201

163 Eps Per 8.8 2.9 / 8.1

56840 198 6 Tri 3.9 5.3 / 6.9

55347

164 Zet Per 12.9 2.9 / 9.5

56799 Atik 199 Zet UMa 14 2.4 / 4.0

28737 Mizar

165 Eta Per 28.3 3.3 / 8.5

23655 Miram in becvar 200 Nu UMa 7.2 3.5 / 9.9

62486 Alula borealis

166 The Per 18.3 4.1 / 10

38288 201 23 UMa 23 3.6 / 8.9

14908

167 E331 Per 12.1 5.3 / 6.7

23765 202 Ups UMa 11.6 3.8 / 11

27401

168 Del PsA 5.1 4.2 / 9.2

214189 203 Xi UMa 1.8 4.3 / 4.8

62484 Alula australia

169 Iot PsA 20 4.3 / 11

213258 204 Sig 2 UMa 3.9 4.8 / 8.2

14788

170 Bet PsA 30.3 4.4 / 7.9

213883 205 57 UMa 5.4 5.4 / 5.4

62572

171 Gam PsA 4.2 4.5 / 8.0

214153 206 Alp UMi 18.4 2.0 / 9.0

308 Polaris

172 Eta PsA 1.7 5.8 / 6.8

190822 207 Gam Vir 1.4 3.5 / 3.5

138917 Porrima

173 Alp Psc 1.8 4.2 / 5.2

110291 Alrisha 208 The Vir 7.1 4.4 / 9.4

139189

174 55 Psc 6.5 5.4 / 8.7

74182 209 Phi Vir 4.8 4.8 / 9.3

139951

175 Psi Psc 30 5.6 / 5.8

74483 210 84 Vir 2.9 5.7 / 7.9

120082

IOPTRON TWO YEAR TELESCOPE, MOUNT, AND CONTROLLER WARRANTY

A. iOptron warrants your telescope, mount, or controller to be free from defects in materials and workmanship for two years. iOptron

will repair or replace such product or part which, upon inspection by iOptron, is found to be defective in materials or workmanship.

As a condition to the obligation of iOptron to repair or replace such product, the product must be returned to iOptron together with

proof-of-purchase satisfactory to iOptron.

B. The Proper Return Merchant Authorization Number must be obtained from iOptron in advance of return. Call iOptron at

1.781.569.0200 to receive the RMA number to be displayed on the outside of your shipping container.

All returns must be accompanied by a written statement stating the name, address, and daytime telephone number of the owner,

together with a brief description of any claimed defects. Parts or product for which replacement is made shall become the property

of iOptron.

The customer shall be responsible for all costs of transportation and insurance, both to and from the factory of iOptron, and shall be

required to pre-pay such costs.

iOptron shall use reasonable efforts to repair or replace any telescope, mount, or controller covered by this warranty within thirty

days of receipt. In the event repair or replacement shall require more than thirty days, iOptron shall notify the customer accordingly.

iOptron reserves the right to replace any product which has been discontinued from its product line with a new product of

comparable value and function.

This warranty shall be void and of no force of effect in the event a covered product has been modified in design or function, or

subjected to abuse, misuse, mishandling or unauthorized repair. Further, product malfunction or deterioration due to normal wear is

not covered by this warranty.

IOPTRON DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WHETHER OF MERCHANTABILITY OF FITNESS FOR A

PARTICULAR USE, EXCEPT AS EXPRESSLY SET FORTH HERE. THE SOLE OBLIGATION OF IOPTRON UNDER THIS

LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE COVERED PRODUCT, IN ACCORDANCE WITH THE TERMS

SET FORTH HERE. IOPTRON EXPRESSLY DISCLAIMS ANY LOST PROFITS, GENERAL, SPECIAL, INDIRECT OR

CONSEQUENTIAL DAMAGES WHICH MAY RESULT FROM BREACH OF ANY WARRANTY, OR ARISING OUT OF THE USE

OR INABILITY TO USE ANY IOPTRON PRODUCT. ANY WARRANTIES WHICH ARE IMPLIED AND WHICH CANNOT BE

DISCLAIMED SHALL BE LIMITED IN DURATION TO A TERM OF TWO YEARS FROM THE DATE OF ORIGINAL RETAIL

PURCHASE.

Some states do not allow the exclusion or limitation of incidental or consequential damages or limitation on how long an implied

warranty lasts, so the above limitations and exclusions may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

iOptron reserves the right to modify or discontinue, without prior notice to you, any model or style telescope.

If warranty problems arise, or if you need assistance in using your telescope, mount, or controller contact:

iOptron Corporation

Customer Service Department

6E Gill Street

Woburn, MA01801

www.ioptron.com

support@ioptron.com

Tel. (781)569-0200

Fax. (781)935-2860

Monday-Friday 9AM-5PM EST

NOTE: This warranty is valid to U.S.A. and Canadian customers who have purchased this product from an authorized iOptron

dealer in the U.S.A. or Canada or directly from iOptron. Warranty outside the U.S.A. and Canada is valid only to customers who

purchased from an iOptron Distributor or Authorized iOptron Dealer in the specific country. Please contact them for any warranty.

IOptron 7201 CEM60 Manual V1.0x User To The 87879687 Df0e 476a 8389 A7a8566a62f9

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