iOptron CEM40 User Manual

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Enter the parameters using the arrow buttons and number keys. Press ENTER and a confirmation
screen will be displayed. Press ENTER again to store the object under the assigned user object number, or
press BACK button to cancel.
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:
Select “Add a New Object”. A screen will be displayed asking you to Enter R.A. and DEC
coordinates:
You may enter the R.A. and DEC coordinates of the object you want to store, 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
catalogs that you can select the object from. Follow the screen instructions to add your favorite objects.
Press BACK button to go back one level.
Press the BACK button to go back to the object entry submenu. You may review the records or
delete those that are no longer wanted. Press the 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 the mount type, firmware version information for the hand controller (HC),
Main board (Main), R.A. board (RA), DEC board (DEC) and star catalog.
Enter R.A. and DEC
R.A.: 00h00m00s
DEC: +00d00m00s
Add a New Object
Browse Objects
Delete One Object
Delete All Objects
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

iOptron CEM40 Specifications

General

Mount	Center-balanced Equatorial Mount (CEM)
Structure Material	All metal, CNC machined
Exterior finish	Anodized red/black
Level indicator	Level bubble
Dovetail saddle	8" Losmandy D & Vixen
Hand Controller	Go2Nova® HC, 212, 000 objects database, star recognition
Cable management	Yes
Tripod	LiteRoc 1.75" Stainless Steel(7kg), optional tri-pier
Max payload*	40 lb (18kg), exclude counterweight
Payload/Mount weight ratio	2.28:1
PEC	PPEC/Real time PEC
Tracking accuracy (PE)**	<±7.5 arcsec p-p (CEM40, CEM40G), or <0.3 arcsec RMS (CEM40EC)
Motor resolution	0.08 arc seconds
Slew speed	1×, 2×, 8×, 16×, 64×, 128×, 256×, 512×, MAX(~4.5°/sec)
Latitude adjustment range	0°~ 60° (special CW shaft mounting if <10° )
Azimuth adjustment range	± 6°
Operation temperature	-10°C ~ +40°C
Right Ascension worm wheel	Φ110mm, 216 teeth aluminum
Declination worm wheel	Φ110mm, 216 teeth aluminum
Counterweight shaft	Φ28X280 mm, Stainless Steel (1.2 kg)
Counterweight	11 lb (5 kg) X1
Motor drive	Precision stepper motor, 1.8º/128X micro-step
Meridian treatment	Stop (0-14° pass), auto flip
Power consumption	0.6A(Tracking), 0.9A(GOTO)
Power requirement	12V DC 5A
AC adapter	100V ~ 240V (included, indoor use only)
Polar Scope	Internal iPolarTM electronic polar scope
GPS	Yes
WIFI	External (optional)
Guiding scope/camera	Built in guiding scope and camera, iGuiderTM (CEM40G)
Autoguide port	ST-4
Communication port	USB Port (on mount)
PC computer control	Yes (ASCOM)
Warranty	Two year limited

Weight and Dimensions

Mount weight	17.4 lb (7.9kg)
Mount base size	Φ120 mm