Celestron 80GTL manual NexStar GT Hand Control

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Planets - All 8 planets in our Solar System plus the Moon.

Stars – A compiled list of the brightest stars from the SAO catalog.

List – For quick access, all of the best and most popular objects in the NexStar database have been broken down into lists based on their type and/or common name:

Named Stars

Common name listing of the brightest stars in the sky.

Named Objects

Alphabetical listing of over 50 of the most popular deep

 

sky objects.

Double Stars

Alphabetical listing of the most visually stunning double,

 

triple and quadruple stars in the sky.

Variable Stars

Select list of the brightest variable stars with the shortest

 

period of changing magnitude.

Asterisms

A unique list of some of the most recognizable star

 

patterns in the sky.

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Figure 3-2

The NexStar GT Hand Control

5.Info: Displays coordinates and useful information about objects selected from the NexStar database.

6.Tour: Activates the tour mode, which seeks out all the best objects for a given month and automatically slews the NexStar to those objects.

7.Enter: Pressing Enter allows you to select any of the NexStar functions, accept entered parameters and slew the telescope to displayed objects.

8.Undo: Undo will take you out of the current menu and display the previous level of the menu path. Press Undo repeatedly to get back to a main menu or use it to erase data entered by mistake.

9.Menu: Displays the many setup and utilities functions such as tracking rate and user defined objects and many others.

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Contents NexStar 80GTL Table of Contents Telescope Maintenance Page NexStar 80GTL Refractor Telescope Assembling the NexStar NexStar 80 GTLAttaching the Telescope to the Tripod Balancing the Telescope tubeErect Image Diagonal Focusing EyepieceStar Pointer Finderscope Star Pointer Installation Protective plastic cover over the battery see figureStar Pointer Operation Using your Solar Filter Installation and UseCleaning and Storage About the FilterOutlet Battery Pack Powering the NexStarAttaching the Hand Control HandNexStar GT Hand Control Alignment Procedure Hand Control OperationAuto-Align Helpful HintsTwo Star Alignment Quick-Align NexStar Re-AlignmentTour Mode Object CatalogSelecting an Object Slewing to an ObjectSet Up Procedures Direction ButtonsRate Button Alt-Az EQ NorthEQ South OffUtility Features HintPage NexStar Ready Focusing Correct image as viewed when Using erect image diagonalDetermining Field of View General Observing HintsObserving the Moon Lunar Observing HintsObserving the Planets Planetary Observing HintsSolar Observing Hints Observing Deep Sky ObjectsTerrestrial Land Viewing Terrestrial Land Viewing HintsSky Illumination SeeingCare and Cleaning of the Optics Page LPR Filter #94126A Appendix a Technical Specifications Opttiicall SpeciiffiicattiionGlossary of Terms Page Page Appendix C RS-232 Connection Communication ProtocolAppendix D Maps of Time Zones Page Page Page Page Page Page Page Celestron TWO Year Warranty

80GTL specifications

The Celestron 80GTL is a powerful and compact telescope designed for both amateur astronomers and experienced stargazers. It combines modern technology with user-friendly features, making it an excellent choice for those looking to explore the night sky. With its 80mm aperture, the 80GTL captures enough light to reveal a variety of celestial objects, from the moon’s craters to distant galaxies.

One of the standout characteristics of the Celestron 80GTL is its innovative Altazimuth mount. This mount provides smooth and precise movements in both horizontal and vertical directions, allowing users to easily track celestial objects as they move across the sky. The setup is quick and straightforward, making it ideal for beginners who may be intimidated by more complex mounts.

The telescope is equipped with Celestron’s StarScope system, which includes a computer-controlled GoTo mount. This feature allows users to automatically locate and track over 40,000 celestial objects with the push of a button. The included hand controller is intuitive and easy to navigate, giving users instant access to stars, planets, and deep-sky objects. This technology not only enhances the viewing experience but also helps novice astronomers learn about the universe with guided tours through the night sky.

Another notable feature of the Celestron 80GTL is its sturdy construction and lightweight design. Made from high-quality materials, it boasts durability while remaining portable for easy transport. Weighing just under 10 pounds, this telescope can be taken on camping trips or excursions, allowing users to enjoy astronomy in various locations.

Additionally, users will appreciate the 80GTL’s fully coated glass optics which provide excellent image quality and contrast. The included 25mm and 10mm eyepieces offer different magnifications, catering to diverse viewing preferences. Whether observing the rings of Saturn or the detail of lunar landscapes, the 80GTL promises clear and sharp images.

In summary, the Celestron 80GTL is a highly capable telescope, combining an accessible design with advanced technologies. Its user-friendly GoTo mount, quality optics, and lightweight build make it an exceptional option for anyone wishing to delve into the wonders of the cosmos, ensuring both enjoyment and education in the field of astronomy.
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