Celestron C8S-GT 8" F/10 Schmidt Cassegrain mounted on a CG-5 mount with Dual-Axis slew motors and Computerized Hand Control with 40,000+ object database. Enhanced StarBright XLT Coatings.
Celestron's C8 has been a best-selling optical system for decades. Combining a repuation for optical excellence with lightweight portability and great value, the C8-S is the perfect choice if you’re looking for an advanced first telescope or want to upgrade to a larger aperture telescope.
An adjustable counterweight makes it easy to point, balance and use. This C8 optical system comes with our premium StarBright® XLT coatings and its large aperture offers light gathering power 843 times that of the human eye. Included are setting circles on both axes, slow-motion controls and latitude scale. An optional polar alignment scope for quick alignment is available.
Mounted on the Advanced GT Series computerized mount, this telescope has some high performance software and hardware features. Operated by our proven NexStar® computer control technology the telescope has a 40,000+ object database with 400 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.
Using the RS-232 communication port on the hand control, you can control the telescope via a personal computer and our new flash upgradeable hand controls allow you to update your telescope's operationg software via the internet. An autoguider port is also included for astrophotography.
CG-5 Mount - Precision engineered for stability.
Celestron's German Equatorial mount has precision worm gears on both axes for extremely smooth stability. The key element that makes this system the most stable in its class is the heavy-duty tripod with large and substantial legs that offer excellent damping characteristics for more stable views. The CG-5 also has a convenient latitude scale for easier alignment and an optional polar finder scope for the ultimate in precision alignments.
- 8" Schmidt-Cassegrain telescope
- Proven NexStar computer control technology
- 40,000 object database with 400 user-definable objects and expanded information on over 200 objects
- StarBright XLT high transmission coatings
- 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
- 6x30 finderscope to help accurately find objects
- DC Servo motors with encoders on both axes
- Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
- Heavy Duty (CG-5GT) computerized German equatorial mount
- Autoguider port for long exposure astrophotography
- Ultra sturdy 2" diameter steel tripod with accessory tray
- 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
- 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
- RS-232 communication port on hand control to control the telescope via a personal computer
- GPS-compatible with optional CN16 GPS Accessory (93966)
| Specifications | |
| 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 |
| FASTAR COMPATIBLE: | Yes |
| EYEPIECE 1: | 25 mm(0.98 in) |
| MAGNIFICATION 1: | 81.28 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: | 0.68 arc seconds |
| RESOLVING POWER: | 0.57 arc seconds |
| PHOTOGRAPHIC RESOLUTION: | 200 line/mm |
| LIGHT GATHERING POWER: | 843 x |
| ANGULAR FIELD OF VIEW: | 0.64 ° |
| LINEAR FIELD OF VIEW (@1000 YDS): | 33.6 ft(10.24 m) |
| OPTICAL COATINGS: | Starbright Coating/XLT |
| SECONDARY MIRROR OBSTRUCTION: | 2.7 in(68.58 mm) |
| SECONDARY MIRROR OBSTRUCTION BY AREA: | 11 % |
| SECONDARY MIRROR OBSTRUCTION BY DIAMETER: | 33.8 % |
| OPTICAL TUBE LENGTH: | 17 in(431.8 mm) |
| TELESCOPE WEIGHT: | 54.5 lb(24.72 kg) |
| COUNTERWEIGHTS: | 1-11lb |
| 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 & EQ South |
| ALIGNMENT PROCEDURES: | AutoAlign, 2-Star Alignment, Quick Align |
| SOFTWARE PRECISION: | 24bit, 0.08 arcsec calculation |
| COMMUNICATION PORTS: | RS-232 communication port on hand control |
| MOTOR PORTS: | Aux Port, Autoguide Ports |
| DATABASE: | 40,000+ objects, 400 user defined programmable objects. Enhanced information on over 200 objects |
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USED ITEMS LIST Updated December 7, 2016
