Optical Design | : | Maksutov-Cassegrain |
Aperture (mm) | : | 180 mm (7.08 in) |
Focal Length | : | 2700 mm (106.3 in) |
Focal Ratio | : | f/15 |
Focal Length of Eyepiece 1 | : | 28mm (1.1 in) 2 in eyepiece |
Magnification of Eyepiece 1 | : | 96x |
Finderscope | : | 8x50 Straight Through |
Star Diagonal | : | 2 in Star Diagonal with 1.25 in adapter |
Optical Tube | : | Aluminum |
Highest Useful Magnification | : | 420x |
Lowest Useful Magnification | : | 67x |
Limiting Stellar Magnitude | : | 13.9 |
Resolution (Rayleigh) | : | 0.64 arc seconds |
Resolution (Dawes) | : | 0.52 arc seconds |
Light Gathering Power (Compared to human eye) | : | 661x |
Central obstruction Diameter | : | 42mm (1.65") (5.45% of aperture area; 23.3% by diameter) |
Optical Coatings | : | StarBright XLT |
Optical Tube Length | : | 628mm (24.7") |
Optical Tube Diameter | : | 235mm (9.3") |
Dovetail | : | CGE Dovetail Bar |
Mount Type | : | Computerized Equatorial |
Instrument load capacity | : | 30 lbs (13.6 kg) |
Height adjustment range (includes mount and tripod) | : | 1118mm - 1626mm (44" – 64") |
Tripod Leg Diameter | : | 50.8mm (2 in) Stainless Steel |
Latitude adjustment range | : | 7° - 77° |
Accessory Tray | : | Yes |
Slew Speeds | : | 9 slew speeds - max speed 4°/second |
Tracking Rates | : | Sidereal, Solar and Lunar |
Dovetail Compatibility | : | Dual saddle plates (Vixen and CGE saddle |
Number of Auxiliary ports | : | 3 Aux ports (1 hand control and 2 AUX ports for optional accessories) |
Autoguide port | : | Yes |
USB Port | : | Yes, input on Hand Control |
Power Requirements | : | 12V DC 3.5A (tip positive) |
Motor Drive | : | DC servo motors |
Alignment Procedures | : | 2-Star Align, 1-Star Align, Solar System Align, Last Alignment, Quick Align |
Periodic Error Correction | : | Yes |
Computerized Hand Control | : | NexStar+ hand control with LCD display, 19 fiber-optic backlit LED buttons |
NexStar+ Database | : | 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects |
Software | : | Celestron's Starry Night Special Edition Software, SkyPortal App |