Schmidt-Cassegrain GPS Telescope with 8" Aperture
Celestron's Professional Computerized (CPC) telescope features a 16-channel GPS system and SkyAlign Technology: you simply line the telescope up with three different stars and the telescope does the rest. The computer system provides access to a database of over 40,000 objects in the sky. The Starbright® XLT High Performance Optical System provides bright, clear views. The convenient remote hand control holder allows you to view information hands-free while using the scope.
Features:
- 8" diffraction limited Schmidt-Cassegrain telescope
- Celestron's premium StarBright XLT coatings
- Fully computerized dual fork arm Altazimuth mount
- 8x50 finderscope to help accurately find objects
- Newly designed heavy-duty tripod makes attaching the telescope so easy you can do it in the dark; also features sturdy 2" steel legs and accessory tray
- Ergonomic design - Comfortably lift and move the telescope from location to location
- Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
- Convenient remote hand control holder - Allows you to view information hands-free while using the scope
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 stars; solar system objects and asterisms
- Re-designed drive base and drive mechanics - Quiet operation; large drive gears, quick release clutch
- SkyAlign allows you to align on any three bright celestial objects, making for a fast and easy alignment process
- Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
- Permanent PEC
- Auxiliary port for additional accessories such as Autoguider, GPS accessory
- NexRemote telescope control software and RS-232 cable included for advanced control of your telescope via computer
Specs:
| Optical Design |
Schmidt-Cassegrain |
| Aperture (mm) |
203.2 mm (8 in) |
| Focal Length (mm) |
2032 mm (80 in) |
| Focal Ratio |
10 |
| Eyepiece 1 (mm) |
40 mm (1.57 in) |
| Magnification 1 |
51 x |
| Finderscope |
8x50 Finderscope with quick release bracket |
| Star Diagonal |
1.25 |
| Mount |
Dual Fork Arm |
| Optical Tube |
Aluminum |
| Accessory Tray |
Leg Brace / Eyepiece holder |
| Tripod |
Heavy Duty Steel Adjustable |
| Power Supply |
Car battery adapter |
| Highest Useful Magnification |
480 x |
| Lowest Useful Magnification |
29 x |
| Limiting Stellar Magnitude |
14 |
| Resolution (Rayleigh) |
0.69 arc seconds |
| Resolution (Dawes) |
0.57 arc seconds |
| Photographic Resolution |
200 line/mm |
| Light Gathering Power (Compared to human eye) |
843 x |
| Angular Field of View (deg) |
0.8 ° |
| Linear Field of View (@1000 yds) |
42 ft (13 m) |
| Secondary Mirror Obstruction |
2.5 in (64 mm) |
| Secondary Mirror Obstruction by Diameter |
31 % |
| Secondary Mirror Obstruction by Area |
9.77 % |
| Optical Coatings |
Starbright XLT Coating |
| Telescope Weight |
42 lbs (19 kg) |
| Tripod and Mount Weight |
27 lbs (12 kg) |
| Motor Drive |
DC Servo motors with encoders, both axes |
| Motor Resolution |
0.1406 |
| Tracking Rates |
Sidereal, Solar and Lunar |
| Tracking Modes |
Altazimuth, EQ North and EQ South |
| Alignment Procedures |
SkyAlign, Auto Two-Star Alignment, Two-star Align, SolarSystem Align, EQ North Align, EQ South Align, One-Star Align |
| Software Precision |
24 bit, 0.08 calculations |
| Periodic Error Correction |
Permanently Programmable |
| Fork Arm |
Dual fork arm, cast Aluminum with detachable HC cradle |
| Gear |
5.625 hard anodized gear in both axes, 180 tooth, brass worm |
| Bearings |
9.8 azimuth bearing |
| Motor Ports |
Aux Port, Autoguide Ports |
| Communication Ports |
RS-232 communication port on hand control |
| Computer Hand Control |
Flash upgradeable, double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons |
| Database |
40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects |
| Power Requirements |
12 VDC 1.5A |
| Power Requirements - Idle Current |
340 mA |
| Power Requirements - Slew one axis |
640 mA |
| Power Requirements - Slew both axes |
900 mA |
| Cord Management |
Cord Wrap Software |
| GPS |
Internal 16 channel |
*This item requires an additional shipping charge.
