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Celestron NexStar 11 GPS

Optical Design
11" Schmidt-Cassegrain
Focal Length
2800mm f/10
Finderscope
9x50
Mount
Dual Fork Arm
Optical Tube
Carbon Fiber
Fastar Compatible
Yes
Eyepiece
1-1/4" -40mm Plossl (70x)
Star Diagonal/Erect Image Eyepiece
1-1/4" 90 degrees
Tripod
Heavy Duty Adjustable
AC Adapter
Included
Computer Hand Control
Double line, 16 character Liquid
Crystal Display; 19 fiber optic
backlit LED buttons
Hand Control Ports
RS-232 communication port on
hand control
Motor Ports
Aux Port, Autoguide Ports
Slew Speeds
Nine slew speeds
Tracking Rates
Sidereal, Solar and Lunar
Tracking Modes
Altazimuth, EQ North & EQ South
Alignment Procedures
AutoAlign, 2-Star Alignment,
Quick Align
Database
40,000+ objects
GPS
16 channel

Highest Useful Magnification
660x
Lowest Useful Magnification
40x
Limiting Stellar Magnitude
14.7
Resolution: Rayleigh
.50 arcseconds
Dawes Limit
.42 arcseconds
Photographic Resolution
200 lines/mm
Light Gathering Power
1593x unaided eye
Field Of View: standard eyepiece
.46 degree
Linear FOV (@1000 yd.)
24 ft.
Secondary Mirror Obstruction
3.75" (12% by area,
34% by diameter)
Optical Coatings
StarBright Coating
Optical Tube Length
23"
Telescope Weight
65 lb.
Tripod/Mount Weight
19 lb.