Celestron Nexstar 80GTL Computerized Telescope 22085

Celeston Nexstar 80GTL Computerized Telescope 22085 is the latest version of Celestron Nextstar 80GT Refractor Telescope 80mm GoTo 22082.

Celestron NexStar 80GTL GoTo Telescope is Celestron 80mm Computerized Refractor Telescope that provides images 80% brighter than a 60mm scope. Celestron NexStar 80 GTL Refractor Telescopes come with a fully computerized hand control with a database of over 4,000 celestial objects. With its pre-assembled, adjustable aluminum tripod, Celestron NexStar 80GTL Telescope can be up and ready to use in a matter of minutes. NexStar 80GTL Celestron Telescopes StarPointer Finderscope with a red LED makes aligning a breeze.

With Celestron Nex Star 80 mm GTL Go To Telescope 22085 astronomers of all levels can locate thousands of pre-programmed stars, planets and other celestial phenomenon right out of the box. See the rings of Saturn, gaze on Jupiter and its many moons, study the details of our own moon. Or venture further into space, seeking out large globular clusters, bright double stars and glowing nebulae.

Celestron NexStar 80GTL Computerized Telescope 's versatile optical system is also optimal for viewing the Sun with the included solar filter and is a great choice to use as a land based Spotting Scope with the included erect image prism.

For more information about NexStar 80-GTL Celestron Computerized Telescope 22085 see the Celestron NexStar 80 GTL manual .

Specifications for Celeston Nexstar 80GTL GoTo Refractor Telescope 22085:

Optical Specifications:
Design:		Refractor
Aperture:		80mm
Focal Length:		900mm
F/ratio of the Optical System:		F/11
Objective Coatings:		Fully Coated
Highest Useful Magnification:		189x
Lowest Useful Magnification:		11x
Resolution: Rayleigh Criterion:  Dawes Limit:		1.73 arc seconds  1.45 arc seconds
Light Gathering Power:		131x unaided eye
Field of View (Standard Eyepiece):		1.4°
Linear Field of View (at 1000 yds):		74 feet
Eyepiece Magnification:		36x (25mm)  90x (10mm)
Optical Tube Length:		35 inches
Software Specifications:
Software Precision:		16 bit, 20 arc sec. calculations
Ports:		RS-232 communication port on hand control
Tracking Rates:		Sidereal, Solar and Lunar
Tracking Modes:		Alt-Az, EQ North & EQ South
Alignment Procedures:		AutoAlign, 2-Star Alignment, Quick-Align
Database:		25 user defined programmable object.Enhanced information on over 100 objects
Total Object Database:		4,033 Objects
Mechanical Specifications:
Motor: Type:  Resolution:		DC Servo motors with encoders, both axes  .26 arc sec
Slew speeds:		Nine slew speeds: 4° /sec, 2° /sec, 1°/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x
Hand Control:		Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons
Fork Arm:		Cast aluminum

Package Contents:

• Celeston Nexstar 80GTL Computerized Telescope 22085
• 25mm (36x) - 1-1/4" eyepiece
• 10mm (90x) - 1-1/4" eyepiece
• Solar Filter
• 90° Erect Image Prism
• NexStar Computerized Hand Control w/ Object Database
• Star Pointer red dot LED Finderscope and Mounting Bracket
• Rugged, fully-assembled aluminum tripod
• Deluxe Accessory Tray with built-in hand control holder & compass
• The Sky Level 1 Astronomy Software
• Telescope Control Software
• Two Year Limited Warranty