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-SGT is the perfect choice if you're looking for an advanced computerized telescope or want to upgrade to a larger aperture telescope.
An adjustable counterweight makes it easy to point, balance and use. The C8-S optical system comes with StarBright® 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 features including an autoguider port for astrophotography. 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.
CG-5 Mount - Precision engineered for stability.
Our new 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 NEW heavy-duty tripod with larger and more 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.
The Advanced Series family of computerized GoTo telescopes was designed to offer the novice or more advanced user a selection of models with the features and quality that serious amateurs can appreciate. These scopes come on heavy-duty computerized German Equatorial mounts with ultra-sturdy 2" stainless steel legs and center tray for superior rigidity and vibration dampening.
|Alignment Procedures||AutoAlign, 2-Star Alignment, Quick Align|
|Angular Field of View||0.64 °|
|Aperture||203.2 mm (8 in)|
|CD ROM||"The Sky®" Level 1|
|Communication Ports||RS-232 communication port on hand control|
|Computer Hand Control||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|
|Eyepiece 1||25 mm (0.98 in)|
|Focal Length||2032 mm (80 in)|
|Magnification 1||81 x|
|Optical Tube Length||17 in (431.8 mm)|
|Power Supply||Car Battery Adapter|
|Resolution (Dawes)||0.57 arcsec|
|Resolution (Rayleigh)||0.69 arcsec|
|Secondary Mirror Obstruction||2.7 in (68.58 mm)|
|Secondary Mirror Obstruction by Area||11.4 %|
|Secondary Mirror Obstruction by Diameter||33.8 %|
|Software Precision||24 bit, 0.08 arcsec calculation|
|Tracking Modes||EQ North and EQ South|
|Tracking Rates||Sidereal, Solar and Lunar|
|Tripod||2 inch Stainless Steel|