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| OPTICAL DESIGN |
Schmidt-Cassegrain |
| APERTURE |
203.2 mm (8 in) |
| FOCAL LENGTH |
2032 mm (80 in) |
| FOCAL RATIO |
10 |
| MOUNT |
CG-5 Equatorial |
| FASTAR COMPATIBLE |
Yes |
| STAR DIAGONAL |
1.25 |
| ACCESSORY TRAY |
Yes |
| TRIPOD |
2 inch Stainless Steel |
| CD ROM |
The Sky® Level 1 |
| POWER SUPPLY |
Car Battery Adapter |
| HIGHEST USEFUL MAGNIFICATION
|
480 x |
| LOWEST USEFUL MAGNIFICATION
|
29 x |
| LIMITING STELLAR MAGNITUDE
|
14 |
| RESOLUTION (RAYLEIGH)
|
0.69 arcsec |
| RESOLUTION (DAWES) |
0.57 arcsec |
| PHOTOGRAPHIC RESOLUTION
|
200 line/mm |
| LIGHT GATHERING POWER
|
843 x |
| ANGULAR FIELD OF VIEW
|
0.64 ° |
| LINEAR FIELD OF VIEW
(@1000 YDS) |
34 ft (10.36 m) |
| OPTICAL COATINGS |
Starbright Coating/XLT |
| SECONDARY MIRROR OBSTRUCTION
|
2.7 in (68.58 mm) |
| SECONDARY MIRROR OBSTRUCTION
BY AREA |
11.4 % |
| SECONDARY MIRROR OBSTRUCTION
BY DIAMETER |
33.8 % |
| OPTICAL TUBE LENGTH
|
17 in (431.8 mm) |
| OPTICAL TUBE WEIGHT |
12.5 lb (5.67 kg) |
| TELESCOPE WEIGHT |
54.5 lb (24.72 kg) |
| COUNTERWEIGHTS |
1-11lb (0.45 - 5 kg) |
| MOTOR DRIVE |
DC Servo motors with encoders, both axes
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| COMPUTER HAND CONTROL
|
Double line, 16 character Liquid Crystal
Display; 19 fiber optic backlit LED buttons |
| SLEW SPEEDS |
3 °/sec |
| TRACKING RATES |
Sidereal, Solar and Lunar |
| TRACKING MODES |
EQ North and EQ South |
| ALIGNMENT PROCEDURES
|
AutoAlign, 2Star Alignment, Quick Align
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| SOFTWARE PRECISION |
24bit, 0.08 arcsec calculation |
| COMMUNICATION
PORTS |
RS-232 communication port
on hand control |
| MOTOR PORTS |
Aux Port, Autoguide Ports |
| LOAD CAPACITY |
10 kg ( some reports indicate 18 kg) |
| DATABASE |
40,000+ objects, 100 user defined programmable
objects. Enhanced information on over 200 objects |
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