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Celestron C10-NGT

Celestron C10-NGT

Optical Design : Reflector Aperture : 254 mm (10 in) Focal Lengt Read more

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Specifications

Feature
Value
Comment
Optical Design :
Reflector
Aperture :
254 mm (10 in)
Focal Length :
1200 mm (47.24 in)
Focal Ratio :
4.72
Finderscope :
9x50
Mount :
CG-5 Equatorial
Eyepiece 1 :
20 mm (0.79 in)
Magnification 1 :
60 x
Accessory Tray :
Yes
Tripod :
2 inch Stainless Steel
CD ROM :
"The Sky ® " Level 1
Power Supply :
Car Battery Adapter
Highest Useful Magnification :
600 x
Lowest Useful Magnification :
36 x
Limiting Stellar Magnitude :
14.5
Resolution (Rayleigh) :
0.55 arcsec
Resolution (Dawes) :
0.46 arcsec
Photographic Resolution :
425 line/mm
Light Gathering Power :
1317 x
Angular Field of View :
0.83 °
Linear Field of View (@1000 yds) :
44 ft (13.41 m)
Optical Coatings :
Aluminum
Secondary Mirror Obstruction :
2.3 in (58.42 mm)
Secondary Mirror Obstruction by Area :
5.3 %
Secondary Mirror Obstruction by Diameter :
23 %
Optical Tube Length :
45 in (1143 mm)
Motor Drive :
DC Servo motors with encoders, both axes
Computer Hand Control :
Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons
Slew Speeds :
3°/sec
Tracking Rates :
Sidereal, Solar and Lunar
Tracking Modes :
EQ North and EQ South
Alignment Procedures :
AutoAlign, 2-Star Alignment, Quick Align
Communication Ports :
RS-232 communication port on hand control
Motor Ports :
Aux Port, Autoguide Ports
Telescope Weight :
94 lbs (42.64 kg)
Counterweights :
3-11 lbs
Software Precision :
24 bit, 0.08 arcsec calculation
Database :
40,000 objects, 100 user defined programmable objects. Enhanced information on over 200 objects
Release Date
First seen
22 July 2008