|
|
 |
 |
|
Celestron - C8-SGT (XLT) Computerized Telescope |
|
|
|
|
|
Celestron - C8-SGT (XLT) Computerized Telescope
C8-S is the perfect choice for an advanced first telescope or want to upgrade to a larger aperture telescope.Item #11026-XLT
|
|
C8-SGT (XLT) - General Features- 8" Schmidt-Cassegrain telescope
- StarBright XLT high transmission coatings
- 6x30 finderscope to help accurately find objects
- Heavy Duty (CG-5GT) computerized German Equatorial mount
- Ultra sturdy 2" diameter steel tripod with accessory tray
- Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
- Includes CD-ROM "The Sky" Astronomy Software which provides education about the sky and printable sky maps
C8-SGT (XLT) - Computerized Mount Features- Proven NexStar computer control technology
- 40,000 object database with over 100 user-definable objects and expanded information on over 200 objects
- Custom database lists of all the most famous deep-sky objects by name and catalog number; the most beautiful double, triple and quadruple stars; variable star; solar systems; objects and asterisms
- DC Servo motors with encoders on both axes
- Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
- Autoguider port for long exposure astrophotography
- Double line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features
- Compatible with optional NexRemote telescope control software, for advanced control of your telescope via computer
- RS-232 communication port on hand control to control the telescope via a personal computer
- GPS-compatible with optional CN16 GPS Accessory (93966)
| SPECS | | OPTICAL DESIGN: | Schmidt-Cassegrain | | APERTURE: | 203.2 mm (8 in) | | FOCAL LENGTH: | 2032 mm (80 in) | | FOCAL RATIO: | 10 | | FINDERSCOPE: | 6x30 | | MOUNT: | CG-5 Equatorial | | EYEPIECE 1: | 25 mm (0.98 in) | | MAGNIFICATION 1: | 81 x | | 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) | | TELESCOPE WEIGHT: | 54.5 lbs (24.72 kg) | | COUNTERWEIGHTS: | 1-11 lbs | | MOTOR DRIVE: | DC Servo motors with encoders, both axes | | 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, 2-Star Alignment, Quick Align | | SOFTWARE PRECISION: | 24 bit, 0.08 arcsec calculation | | COMMUNICATION PORTS: | RS-232 communication port on hand control | | MOTOR PORTS: | Aux Port, Autoguide Ports | | DATABASE: | 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects | |
|
|
|
|
