The NexStar 8SE is one of Celestron’s most popular scopes. A Schmidt-Cassegrain with an 8-inch aperture, it boasts a GoTo mount for automated locating and tracking of celestial objects. This equates to quick alignment and excellent viewing, suitable for an enthusiastic novice and appreciated by a more experienced amateur astronomer.
|
Optical Design |
Schmidt-Cassegrain |
|
Aperture (mm) |
203.2 mm (8 in) |
|
Focal Length |
2032 mm (80 in) |
|
Formula:Focal Ratio |
10 |
|
Focal Length of Eyepiece 1 (mm) |
25 mm (0.98 in) |
|
Formula:Magnification of Eyepiece 1 |
81 x |
|
Finderscope |
StarPointer |
|
Star Diagonal |
1.25" |
|
Mount Type |
Single Fork Arm Altazimuth |
|
Tripod |
Steel (sku 93593) |
|
Power Requirements |
8-AA batteries (not included) |
|
Formula:Highest Useful Magnification |
480 x |
|
Formula:Lowest Useful Magnification |
29 x |
|
Formula:Limiting Stellar Magnitude |
14 |
|
Formula:Resolution (Rayleigh) |
0.69 arc seconds |
|
Formula:Resolution (Dawes) |
0.57 arc seconds |
|
Formula:Light Gathering Power (Compared to human eye) |
843 x |
|
Apparent Field of View |
0.63 ° |
|
Linear Field of View (@1000 yds) |
33 ft (10 m) |
|
Secondary Mirror Obstruction |
2.5 in (64 mm) |
|
Formula:Secondary Mirror Obstruction by Diameter |
31% |
|
Formula:Secondary Mirror Obstruction by Area |
9.77% |
|
Optical Coatings |
Starbright XLT |
|
Optical Tube Length |
17 in (432 mm) |
|
Total Telescope Kit Weight |
33 lbs (15 kg) |
|
Tripod Weight |
9 lbs (4.08 kg) |
|
Slew Speeds |
Nine slew speeds |
|
Tracking Rates |
Sidereal, Solar and Lunar |
|
Tracking Modes |
Alt-Az, EQ North & EQ South |
|
Alignment Procedures |
SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align |
|
Communication Ports |
RS-232 communication port on hand control, Autoguider port, Aux port |
|
Computer Hand Control |
Double line, 16 character Liquid Crystal Display with 19 fiber optic backlit LED buttons |
|
Database |
40,000 objects, 200 user defined programmable objects. Enhanced information on over 200 objects |
|
Warranty |
2-year Telescope Warranty |