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Appendix A. Technical Specifications
Mount Center-Balanced Equatorial Mount (CEM)
Payload Up to 27 lb (12.3kg), exclude counterweight
Mount weight 10.4 lb (4.7kg)
Payload/Mount weight 2.60
Right Ascension worm wheel Φ88mm, 144 teeth aluminum
Declination worm wheel Φ88mm, 144 teeth aluminum
Right Ascension axis shaft Φ35mm steel
Declination axis shaft Φ35mm steel
Right Ascension bearing Φ55mm ball bearing
Declination bearing Φ55mm ball bearing
Worm gears Brass
Motor drive 1.8° stepper motor, 128X microdivision
Resolution 0.14 arc seconds
Transmission Synchronous belt
Latitude adjustment range 0º ~ 60º
Azimuth adjustment range ± 10º
GPS Internal 32-channel GPS
Polar Scope AccuAlign
TM
G2 dark field illuminated
Level indicator Level bubble
Hand Controller Go2Nova
8408 with 150,000 objects database
PEC PEC/Real time PEC
PE <0.3 arcsec RMS (CEM25EC only)
Tracking Automatic
Speed 1×,2×,8×,16×,64×,128×,256×,512×,MAX(1440X)
Counterweight shaft Φ20mm
Counterweight 10.4 lb (4.7kg)
Tripod 1.5" Stainless Steel(5kg), optional 2"(8kg)
Dovetail saddle Spring loaded Vixen-style
Power consumption 0.35A(Tracking), 0.6A(GOTO)
Power requirement 12V DC(9 ~ 15V), 1.5Amp
AC adapter 100V ~ 240V (included)
Serial port Yes (on hand controller)
Autoguide port Yes
Firmware upgrade Yes
PC computer control Yes (ASCOM)
Operation temperature -10ºC ~ 40ºC
Warranty Two year limited