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OPTICAL DESIGN  |
Schmidt-Cassegrain |
Schmidt-Cassegrain |
Schmidt-Cassegrain |
Schmidt-Cassegrain |
APERTURE  |
235 mm (9.25 in) |
279.4 mm (11 in) |
355.5 mm (14 in) |
355.5 mm (14 in) |
FOCAL LENGTH  |
2350 mm (92.52 in) |
2800 mm (110.24 in) |
3910 mm (153.94 in) |
3910 mm (153.94 in) |
FOCAL RATIO  |
10 |
10.02 |
11 |
11 |
FINDERSCOPE  |
6x30 |
9x50 |
9x50 |
9x50 |
MOUNT  |
CGE Pro Computerized Equatorial |
CGE Pro Computerized Equatorial |
CGE Pro Computerized Equatorial |
CGE Pro Computerized Equatorial |
OPTICAL TUBE  |
Aluminum |
Aluminum |
Aluminum |
Aluminum |
EYEPIECE 1  |
25 mm (0.98 in) |
40 mm (1.57 in) |
40 mm (1.57 in) |
40 mm (1.57 in) |
MAGNIFICATION 1  |
94 x |
70 x |
98 x |
98 x |
STAR DIAGONAL  |
1.25 |
1.25 |
2" with 1.25" adapter |
2" with 1.25" adapter |
TRIPOD  |
Adjustable, 2.75" Stainless Steel legs |
Adjustable, 2.75" Stainless Steel legs |
Adjustable, 2.75" Stainless Steel legs |
Adjustable, 2.75" Stainless Steel legs |
CD ROM  |
NexRemote control software with RS232 cable |
NexRemote control software with RS232 cable |
NexRemote control software with RS232 cable |
NexRemote control software with RS232 cable |
POWER SUPPLY  |
Car battery adapter |
Car battery adapter |
Car battery adapter |
Car battery adapter |
HIGHEST USEFUL MAGNIFICATION  |
555 x |
660 x |
840 x |
840 x |
LOWEST USEFUL MAGNIFICATION  |
34 x |
40 x |
51 x |
51 x |
LIMITING STELLAR MAGNITUDE  |
14.4 |
14.7 |
15.3 |
15.3 |
RESOLUTION (RAYLEIGH)  |
0.59 arcsec |
0.5 arcsec |
0.39 arcsec |
0.39 arcsec |
RESOLUTION (DAWES)  |
0.49 arcsec |
0.42 arcsec |
0.33 arcsec |
0.33 arcsec |
LIGHT GATHERING POWER  |
1127 x |
1593 x |
2579 x |
2579 x |
ANGULAR FIELD OF VIEW  |
0.53 ° |
0.53 ° |
0.53 ° |
0.53 ° |
LINEAR FIELD OF VIEW (@1000 YDS)  |
28 ft (8.53 m) |
28 ft (8.53 m) |
28 ft (8.53 m) |
28 ft (8.53 m) |
OPTICAL COATINGS  |
Starbright XLT Coating |
Starbright XLT Coating |
Starbright XLT Coating |
Starbright XLT Coating |
SECONDARY MIRROR OBSTRUCTION  |
3.35 in (85.09 mm) |
3.75 in (95.25 mm) |
4.5 in (114.3 mm) |
4.5 in (114.3 mm) |
SECONDARY MIRROR OBSTRUCTION BY AREA  |
13.1 % |
11.6 % |
10.3 % |
10.3 % |
SECONDARY MIRROR OBSTRUCTION BY DIAMETER  |
36.2 % |
34.1 % |
32.2 % |
32.2 % |
OPTICAL TUBE LENGTH  |
22 in (558.8 mm) |
24 in (609.6 mm) |
31 in (787.4 mm) |
31 in (787.4 mm) |
OPTICAL TUBE WEIGHT  |
20 lb (9.07 kg) |
27.5 lb (12.47 kg) |
45 lb (20.41 kg) |
45 lb (20.41 kg) |
TRIPOD AND PIER WEIGHT  |
52 lb (23.59 kg) |
52 lb (23.59 kg) |
52 lb (23.59 kg) |
52 lb (23.59 kg) |
EQ MOUNT WEIGHT  |
75 lb (34.02 kg) |
75 lb (34.02 kg) |
75 lb (34.02 kg) |
75 lb (34.02 kg) |
COUNTERWEIGHT BAR  |
5 lb (2.27 kg) |
5 lb (2.27 kg) |
5 lb (2.27 kg) |
5 lb (2.27 kg) |
COUNTERWEIGHTS  |
1 x 22 lb |
2 x 22 lb |
3 x 22 lb |
3 x 22 lb |
SLEW SPEEDS  |
Nine slew speeds 5.5 deg/s, 2 deg/s, 0.5 deg/s, 64x, 16x, 8x, 4x, 1x, 0.5x |
Nine slew speeds 5.5 deg/s, 2 deg/s, 0.5 deg/s, 64x, 16x, 8x, 4x, 1x, 0.5x |
Nine slew speeds 5.5 deg/s, 2 deg/s, 0.5 deg/s, 64x, 16x, 8x, 4x, 1x, 0.5x |
Nine slew speeds 5.5 deg/s, 2 deg/s, 0.5 deg/s, 64x, 16x, 8x, 4x, 1x, 0.5x |
TRACKING RATES  |
Sidereal, Solar and Lunar |
Sidereal, Solar and Lunar |
Sidereal, Solar and Lunar |
Sidereal, Solar and Lunar |
TRACKING MODES  |
EQ North and EQ South |
EQ North and EQ South |
EQ North and EQ South |
EQ North and EQ South |
ALIGNMENT PROCEDURES  |
2-Star Align, Solar System Align, Last Alignment, Quick Align, 1-Star Align |
2-Star Align, Solar System Align, Last Alignment, Quick Align, 1-Star Align |
2-Star Align, Solar System Align, Last Alignment, Quick Align, 1-Star Align |
2-Star Align, Solar System Align, Last Alignment, Quick Align, 1-Star Align |
DATABASE  |
40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects |
40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects |
40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects |
40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects |
POWER REQUIREMENTS  |
12 VDC 2.5A |
12 VDC 2.5A |
12 VDC 2.5A |
12 VDC 2.5A |
INTERNAL CLOCK  |
Yes |
Yes |
Yes |
Yes |
GPS  |
Optional CN-16 GPS Accessory |
Optional CN-16 GPS Accessory |
Optional CN-16 GPS Accessory |
Optional CN-16 GPS Accessory |
PAYLOAD CAPACITY  |
N/A
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N/A
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N/A
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N/A
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WEIGHT  |
N/A
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N/A
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N/A
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N/A
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MOTOR DRIVE  |
N/A
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N/A
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N/A
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N/A
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COMPUTER HAND CONTROL  |
N/A
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N/A
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N/A
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N/A
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OPTICAL DESIGN  |
N/A
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APERTURE  |
N/A
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FOCAL LENGTH  |
N/A
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FOCAL RATIO  |
N/A
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FINDERSCOPE  |
N/A
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MOUNT  |
N/A
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OPTICAL TUBE  |
N/A
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EYEPIECE 1  |
N/A
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MAGNIFICATION 1  |
N/A
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STAR DIAGONAL  |
N/A
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TRIPOD  |
N/A
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CD ROM  |
N/A
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POWER SUPPLY  |
N/A
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HIGHEST USEFUL MAGNIFICATION  |
N/A
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LOWEST USEFUL MAGNIFICATION  |
N/A
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LIMITING STELLAR MAGNITUDE  |
N/A
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RESOLUTION (RAYLEIGH)  |
N/A
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RESOLUTION (DAWES)  |
N/A
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LIGHT GATHERING POWER  |
N/A
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ANGULAR FIELD OF VIEW  |
N/A
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LINEAR FIELD OF VIEW (@1000 YDS)  |
N/A
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OPTICAL COATINGS  |
N/A
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SECONDARY MIRROR OBSTRUCTION  |
N/A
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SECONDARY MIRROR OBSTRUCTION BY AREA  |
N/A
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SECONDARY MIRROR OBSTRUCTION BY DIAMETER  |
N/A
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OPTICAL TUBE LENGTH  |
N/A
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OPTICAL TUBE WEIGHT  |
N/A
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TRIPOD AND PIER WEIGHT  |
52 lb (23.59 kg) |
EQ MOUNT WEIGHT  |
75 lb (34.02 kg) |
COUNTERWEIGHT BAR  |
5 lb (2.27 kg) |
COUNTERWEIGHTS  |
1 x 22 lb |
SLEW SPEEDS  |
Nine slew speeds 5.5 deg/s, 2 deg/s, 0.5 deg/s, 64x, 16x, 8x, 4x, 1x, 0.5x |
TRACKING RATES  |
Sidereal, Solar and Lunar |
TRACKING MODES  |
EQ North and EQ South |
ALIGNMENT PROCEDURES  |
2-Star Align, Solar System Align, Last Alignment, Quick Align, 1-Star Align, |
DATABASE  |
40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects |
POWER REQUIREMENTS  |
12VDC 2.5A |
INTERNAL CLOCK  |
Yes |
GPS  |
Optional CN-16 GPS Accessory |
PAYLOAD CAPACITY  |
90 lb (40.82 kg) |
WEIGHT  |
154 lb (69.85 kg) |
MOTOR DRIVE  |
DC Servo motors with encoders, both axes |
COMPUTER HAND CONTROL  |
Double line, 16 character Liquid Crystal Display; 19 backlit LED buttons |
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