OPTICAL TUBE INFO: | |
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Optical Design: | Maksutov-Cassegrain |
Aperture: | 180mm (7.08") |
Focal Length: | 2700mm (106.3") |
Focal Ratio: | f/15 |
Focal Length of Eyepiece 1: | 28mm (1.1") 2" eyepiece |
Magnification of Eyepiece 1: | 96x |
Finderscope: | 8x50 Straight Through |
Star Diagonal: | 2" with 1.25" 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 |
Secondary Mirror Obstruction: | 40mm (1.57") |
Secondary Mirror Obstruction by Diameter: | 22% |
Secondary Mirror Obstruction by Area: | 5% |
Optical Coatings: | StarBright XLT |
Optical Tube Length: | 571.5mm (22.5") |
Optical Tube Diameter: | 222.25mm (8.75") |
Optical Tube Weight: | 19 lbs (8.6 kg) |
Dovetail: | CGE Dovetail Bar |
MOUNT INFO: | |
Mount Type: | Computerized Equatorial |
Instrument load capacity: | 40 lbs (18 kg) |
Height adjustment range (includes mount and tripod): | 1346mm - 1651mm (53" – 65") |
Tripod Leg Diameter: | 50.8mm (2") Steel tripod with graduated markings on lower section |
Latitude adjustment range: | 15° - 70° |
Mount Head Weight: | 40 lbs (18.14 kg) |
Accessory Tray: | Yes |
Tripod Weight: | 20 lbs (9 kg) |
Weight of Counterweights: | 1 x 17 lbs | 1 x 12 lbs |
Slew Speeds: | 9 slew speeds - max speed 4.5°/second |
Tracking Rates: | Sidereal, Solar and Lunar |
Tracking Modes: | EQ North and EQ South |
GPS: | N/A |
Dovetail Compatibility: | Dual saddle plates (CG-5 and CGE saddle) |
Number of Auxiliary Ports: | 2 AUX Ports (1x Hand control Port and 1x AUX Port for optional accessories) |
Autoguide Port: | Yes |
USB Port: | Yes, input on Hand Control |
Power Requirements: | 12V DC, 3.2 amps |
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: | 2 line x 18 character backlit Liquid Crystal Display, 19 LED backlit buttons, USB 2.0 Port for PC connection |
NexStar+ Database: | 40,000+ objects, 100 user defined programmable objects Enhanced information on over 200 objects |
Software: | Celestron Starry Night Special Edition Software | SkyPortal App |
Total Kit Weight: | 90.5 lbs (41 kg) |
Included Items: | Optical tube | CGEM II Equatorial Head | Tripod | Accessory Tray | 1 x 17 lbs and 1 x 12 lbs counterweight | NexStar+ Hand Control | DC Power Cable (plugs into cigarette lighter socket) | 8mm Allen wrench (contained in rear carry handle) | 2” Visual Back | 2” Star Diagonal with 1.25” adapter | 28mm wide-field 2” eyepiece |large 8x50 straight-through finderscope |
Solar Warning |
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