Mount |
Center-balanced Equatorial Mount (CEM) |
Payload |
52kg (115 lbs), exclude counterweight* |
Mount weight |
26kg (57 lbs) |
Payload/Mount weight ratio |
2 |
Material |
All metal |
Latitude adjustment range |
0°~ 68° (0.5 arcmin division)** |
Azimuth adjustment range |
± 5° (3 arcmin division) |
PE (by encoder) |
< 0.15 arcsec RMS*** |
Worm period |
240 sec |
PEC |
Real time PEC (RPEC) |
Right Ascension worm wheel |
Φ216mm, 360 teeth, zero backlash |
Declination worm wheel |
Φ216mm, 360 teeth, zero backlash |
Worm |
Φ26mm |
Right Ascension axle |
Φ80mm, steel |
Declination axle |
Φ80mm, steel |
Right Ascension bearings |
Φ125mm |
Declination bearings |
Φ125mm |
Counterweight shaft |
Φ38.1x 540 mm (SS, anti-slip, 4.5kg) |
Counterweight |
10 kg (22 lbs) |
Mount base size |
210 x 230 mm |
Motor drive |
Precision stepper motor w/128 micro-step |
Encoder Resolution |
0.035 arc seconds |
Motor Resolution |
0.07 arc seconds |
Slew speed |
4°/sec (960x) max. |
Hand Controller |
Go2Nova® 8407 V2, 8 line 21 character LCD |
Power requirement |
DC 12V, 5A |
Power consumption |
0.7A(Tracking),1.8A(GOTO) |
Polar Scope |
Optional electronic polar scope |
Meridian treatment |
Stop (0-14° pass), auto flip |
Zero position |
Automatic zero search |
Park position |
Horizontal, vertical, current, alt/azi input |
Level indicator |
YES |
Dovetail saddle |
Losmandy D, 17.2" (437mm) |
GPS |
YES |
Guiding port |
ST-4 |
Communication port |
RS232, USB, LAN, WiFi |
Cable management |
2xDC12V (1A), DC5V(1A), 2xDC (5A), ST4, 6P6C, 4xUSB2.0, USB3.0 (powered), USB for PS, AUX |
Pier/Tripod |
Optional pier |
Warranty |
Two year limited |