NexStar 102 GT Computerized Telescope

Item # 22093

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Quick Overview

High quality 102mm (4") refractor telescope with multi-coated glass optics. 212x more light gathering power than the human eye.
Computerized hand control with 40,000+ objecs in its database and motorized altazimuth mount
Special set of 5 eyepieces allowing you to view objects up to 250 times closer than the naked eye
StarPointer finderscope to help with alignment and accurately locating objects
Quick-release fork arm mount, optical tube and accessory tray for quick no-tool set up
Sturdy stainless steel tripod and accessory tray included
Includes erect image diagonal for great terrestrial observing
Includes TheSkyX First Light Edition Astronomy Software, which provides education about the sky and printable sky maps
2 year manufacturer warranty
Requires 8 AA batteries (not included)

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Details

An easy-to-use computerized telescope with SkyAlign Technology. Point the telescope at three bright objects in the sky, and SkyAlign will then align your NexStar 102GT.

High quality 102mm (4") refractor telescope with multi-coated glass optics. 212x more light gathering power than the human eye.
Computerized hand control with 40,000+ objecs in its database and motorized altazimuth mount
Special set of 5 eyepieces allowing you to view objects up to 250 times closer than the naked eye
StarPointer finderscope to help with alignment and accurately locating objects
Quick-release fork arm mount, optical tube and accessory tray for quick no-tool set up
Sturdy stainless steel tripod and accessory tray included
Includes erect image diagonal for great terrestrial observing
Includes TheSkyX First Light Edition Astronomy Software, which provides education about the sky and printable sky maps
2 year manufacturer warranty
Requires 8 AA batteries (not included)

Available at Costco

Additional Information

Optical Design	Refractor
Aperture (mm)	102 mm (4.02 in)
Focal Length (mm)	1000 mm (39 in)
Focal Ratio	9.8
Highest Useful Magnification	241 x
Lowest Useful Magnification	15 x
Limiting Stellar Magnitude	12.5
Resolution (Rayleigh)	1.37 arc seconds
Resolution (Dawes)	1.14 arc seconds
Light Gathering Power	212 x
Linear Field of View (@1000 yds)	53 ft (16 m)
Optical Tube Length	35 in (889 mm)
Motor Resolution	DC Servo motors with encoders, both axes .26 arc sec,
Slew Speeds	Nine slew speeds: 4º /sec, 2º /sec, 1º/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x
Tracking Rates	Sidereal, Solar and Lunar
Tracking Modes	Alt-Az, EQ North & EQ South
Alignment Procedures	SkyAlign, Auto Two-Star, Two-Star, One-Star, Solar System Align
Software Precision	16 bit, 20 arc sec. calculations
Fork Arm	Cast aluminum
Communication Ports	RS-232 communication port on Hand Control
Computer Hand Control	Double line, 16 character Liquid Crystal Display 19 fiber optic backlit LED buttons
Database	40,000 object database. 25 user defined programmable objects. Enhanced information on over 100 objects.
Power Requirements	12 VDC-750 mA (Tip positive)
Batteries	8 AA Alkaline
Eyepiece 1 Field of View (deg)	1 °