ประเภทกล้องดูดาว (Optical Design) |
สะท้อนแสง (Newtonian Reflector) |
เส้นผ่านศูนย์กลาง (aperture) |
130mm (5.12″) |
ความยาวโฟกัส(focal length) |
650mm (26″) |
อัตราส่วนความยาวโฟกัส(focal ratio) |
f/5 |
เลนส์ใกล้ตา (Focal Length of Eyepiece)1 |
1.25” Eyepieces: 25 mm (26x) |
เลนส์ใกล้ตา (Focal Length of Eyepiece) 2 |
1.25” Eyepieces: 9 mm (72x) |
กล้องเล็ง (finder) |
แบบจุดแดง (StarPointer™ red dot finderscope) |
Optical Tube: |
Aluminum |
กำลังขยายสูงสุด(Highest Useful Magnification) |
307x |
กำลังขยายต่ำสุด(Lowest Useful Magnification) |
19x |
Limiting Stellar Magnitude: |
13.1 |
Resolution (Rayleigh): |
1.07 arc seconds |
Resolution (Dawes): |
0.89 arc seconds |
Light Gathering Power (Compared to human eye): |
345x |
Secondary Mirror Obstruction: |
43mm (1.7″) |
Secondary Mirror Obstruction by Diameter: |
33% |
Secondary Mirror Obstruction by Area: |
11% |
Optical Coatings: |
Aluminum |
Optical Tube Length: |
635mm (25″) |
Optical Tube Diameter: |
165.1mm (6.5″) |
Optical Tube Weight: |
8.8 lbs (3.99 kg) |
Dovetail: |
CG-5 Dovetail bar |
ประเภทขาตั้งกล้อง (mount type) |
Computerized Altitude-Azimuth Single Fork Arm |
Instrument load capacity: |
8 lbs (3.6 kg) |
Height adjustment range (includes mount and tripod): |
762mm – 1270mm (30″ – 50″) |
Tripod Leg Diameter: |
31.75mm (1.25″) Stainless steel |
Mount Head Weight: |
5 lbs (2.3kg) |
Accessory Tray: |
Yes |
Tripod Weight: |
5 lbs (2.3kg) |
Slew Speeds: |
9 slew speeds – max speed 3°/second |
Tracking Rates: |
Sidereal, Solar and Lunar |
Tracking Modes: |
Alt-Az, EQ North and EQ South |
Dovetail Compatibility: |
CG-5 saddle plate |
Number of Auxiliary Ports: |
1x AUX Port and| 1x hand control Port (hand control can use either Port) |
USB Port: |
Yes, Input on hand control |
Power Requirements: |
12 VDC – 8xAA Batteries (not included) |
Motor Drive: |
DC Servo Motor |
Alignment Procedures: |
SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align |
Computerized Hand Control: |
1 Hand Control Port and 1 AUX Port |
ฐานข้อมูลวัตถุ (Object 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: |
9 kg. |