Optical Design: |
Schmidt-Cassegrain |
Aperture: |
235mm (9.25") |
Focal Length: |
2350mm (93") |
Focal Ratio: |
f/10 |
Focal Length of Eyepiece 1: |
40mm (1.57") |
Magnification of Eyepiece 1: |
59x |
Focal Length of Eyepiece 2: |
13mm (.51") |
Magnification of Eyepiece 2: |
180x |
Finderscope: |
Red Dot Finderscope |
Star Diagonal: |
1.25" Star Diagonal |
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: |
271.78mm (10.7") |
Optical Tube Weight: |
20 lbs (9.07 kg) |
Dovetail: |
CG-5 Dovetail bar |
Mount Type: |
Computerized Altitude-Azimuth Single Fork Arm |
Instrument load capacity: |
25 lbs (11 kg) |
Height adjustment range (includes mount and tripod): |
1244.6mm - 1651mm (49" – 65") |
Tripod Leg Diameter: |
50.8mm (2") Stainless Steel |
Mount Head Weight: |
16 lbs (7 kg) |
Accessory Tray: |
Yes |
Tripod Weight: |
26.6 lbs (12.06 kg) |
Slew Speeds: |
9 slew speeds - max speed 4°/second |
Tracking Rates: |
Sidereal, Solar and Lunar |
Tracking Modes: |
Alt-Az, EQ North and EQ South |
GPS: |
N/A |
Dovetail Compatibility: |
CG-5 saddle plate |
Number of Auxiliary Ports: |
4 AUX Ports (Hand Control can use any of the AUX Ports) |
Autoguide Port: |
No |
USB Port: |
Yes, Hand Control input and Mount output |
Power Requirements: |
Internal 9 6V, 4 5Ah lithium iron phosphate battery (LiFePO4) |
Motor Drive: |
DC servo motors |
Alignment Procedures: |
SkyAlign, 1-Star Align, 2-Star Align, Auto 2-Star Align, Solar System Align, Quick-Align, Last Alignment, EQ North / EQ South Alignment (EQ align requires an equatorial wedge) |
Periodic Error Correction: |
No |
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: |
Over 40,000 including 220 of the best deep sky and solar system objects |
Software: |
Celestron Starry Night Special Edition Software and SkyPortal App |
Total Kit Weight: |
62.6 lbs (28.4 kg) |
Included Items: |
Optical tube Single Fork Arm Mount and Tripod Accessory Tray Built-in Wifi Integrated Lithium-iron battery NexStar+ Hand Control 40mm and 13mm eyepiece Red dot finderscope Visual Back Star Diagonal 4 plug AC adapter |