OPTICAL TUBE INFO: | |
Optical Design | EdgeHD |
Aperture | 235mm (9.25″) |
Focal Length | 2350mm (93″) |
Focal Ratio | f/10 |
Focal Length of Eyepiece 1 | 23mm (0.91″) |
Magnification of Eyepiece 1 | 102x |
Finderscope | 9×50 |
Star Diagonal | 2″ with 1.25″ adapter |
Optical Tube | Aluminum |
Highest Useful Magnification | 555x |
Lowest Useful Magnification | 34x |
Limiting Stellar Magnitude | 14.4 |
Resolution (Rayleigh) | 0.59 arc seconds |
Resolution (Dawes) | 0.49 arc seconds |
Light Gathering Power (Compared to human eye) | 1127x |
Secondary Mirror Obstruction | 85mm (3.35″) |
Secondary Mirror Obstruction by Diameter | 36% |
Secondary Mirror Obstruction by Area | 13% |
Optical Coatings | StarBright XLT |
Optical Tube Length | 559mm (22″) |
Optical Tube Diameter | 271.8mm (10.7″) |
Optical Tube Weight | 21 lbs (9.53 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 11 lbs |
Slew Speeds | 9 slew speeds – max speed 4.5°/second |
Tracking Rates | Sidereal, Solar and Lunar |
Tracking Modes | EQ North & 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’s Starry Night Special Edition Software, SkyPortal App |
Total Kit Weight | 99 lbs (45 kg) |
Included Items | CGEM II Equatorial Head |Tripod | Accessory Tray | 1 x 17 lbs and 1 x 11 lbs counterweights | NexStar+ Hand Control | DC Power Cable (item#18769) | Hand Control Holster |