Optical Design: |
Newtonian Reflector |
Aperture: |
150mm (6") |
Focal Length: |
750mm (30") |
Focal Ratio: |
f/5 |
Focal Length of Eyepiece 1: |
20mm (.8") |
Magnification of Eyepiece 1: |
38x |
Finderscope: |
6x30 |
Star Diagonal: |
N/A |
Optical Tube: |
Aluminum |
Highest Useful Magnification: |
354x |
Lowest Useful Magnification: |
21x |
Limiting Stellar Magnitude: |
13.4 |
Resolution (Rayleigh): |
.93 arc seconds |
Resolution (Dawes): |
.77 arc seconds |
Light Gathering Power (Compared to human eye): |
459x |
Secondary Mirror Obstruction: |
44mm (1.75") |
Secondary Mirror Obstruction by Diameter: |
30% |
Secondary Mirror Obstruction by Area: |
8.78% |
Optical Coatings: |
Fully Coated |
Optical Tube Length: |
686mm (27") |
Optical Tube Diameter: |
184.15mm (7.25") |
Optical Tube Weight: |
10 lbs (4.54 kg) |
Dovetail: |
CG-5 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") Stainless Steel |
Latitude adjustment range: |
7° - 77° |
Mount Head Weight: |
17 lbs (7.71 kg) |
Accessory Tray: |
Yes |
Tripod Weight: |
18 lbs (8.16 kg) |
Weight of Counterweights: |
1 x 12 lbs |
Slew Speeds: |
9 slew speeds - max speed 4°/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: |
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 with encoders on both axes |
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 and SkyPortal App |
Total Kit Weight: |
57 lbs (25.85 kg) |
Included Items: |
Advanced VX Equatorial Head and tripod Accessory Tray 1 x 12 lbs counterweight NexStar+ Hand Control DC Power Cable (item# 18769) Hand Control Holster |