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Home | NexStar User's Guide | NexStar Observer List | Downloads | PC/Mac/Tablet/Smartphone Control
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Welcome to the NexStar Resource Site -
THE Internet Resource for All Models
of NexStar, CPC, LCM, CGE, CGE Pro, CGEM and AS-GT Telescopes!

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The NexStar User's Guide II
for the LCM, SLT, SE, CPC, SkyProdigy and Astro Fi
Now Available!
The NexStar User's Guide was the first all-NexStar book in print. The second edition is fully updated to include detailed information for the LCM, SLT, SE, CPC, SkyProdigy and Astro Fi models. It also covers the StarSense system and the SkyPortal app in detail. Visit the NexStar User's Guide section of the website to view the contents, excerpts from the book, updated information and links to the resources discussed in the book.

Thinking of introducing someone (or yourself) to amateur astronomy?  A NexStar SE or SLT scope and The NexStar User's Guide II are the perfect solution.  You get a great beginner's scope and a book that will help you learn both the scope and amateur astronomy.


NexStar Observer List (NSOL)
is a free PC control program for all models of NexStar, StarSeeker, CPC, LCM, CGE, CGE Pro, CGEM, Advanced Series GoTo (AS-GT) and Ultima 2000 scopes, as well as Tasco StarGuide scopes.  Version 2.6.4 was released on 4 July 2004.  Click here to read more and download the latest version.

This site is devoted to the computerized "GoTo" telescopes from Celestron.  Most of the models feature a computer hand control as standard equipment allowing the scope to automatically "GoTo" objects in its generous database.   They track objects automatically as well.  Basic information about these scopes is available at the Celestron web site, but this site is a collection of information not found anywhere else.  Two other great source of information are the many Celestron-related Yahoo Groups and Cloudy Night's forums, (see Links above).  The folks on these groups are quite friendly and don't mind questions from someone trying to make up their mind about a purchase or just looking for information about their telescope.

Clear Skies!
Mike Swanson

Click Jupiter to see my modest attempts at astrophotography:


This web site recognized by Griffith Observatory as the recipient of their Star Award for the week of 25 Apr - 1 May 2004.  Star Awards recognize "excellence in web sites that promote public awareness of astronomy...making the sky more accessible."

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What's New?

  • Firmware Versions updated 12 Dec 2017 - added section for CPC Deluxe HD
  • The NexStar User's Guide II is now shipping! - 1 Nov 2017
  • PC/Mac/Tablet/Smartphone Control updated 28 Oct 2017 - added an article for Troubleshooting WiFi Connection Problems and updated the information in the Troubleshooting Serial and USB Connection Problems article
  • PC/Mac/Tablet/Smartphone Control updated 1 May 2017 - new information and links for wireless connections
  • Firmware Versions updated 29 Apr 2017 - updated the "how to" upgrade article for the NexStar+ and StarSense hand control to include a link to Sascha Peilicke's article on upgrading firmware using a Linux computer
  • Firmware Versions updated 19 Apr 2017 - updated the "how to" upgrade article for the NexStar+ and StarSense hand control to include information about the new USB connector port
  • PC/Mac/Tablet/Smartphone Control updated 19 Apr 2017 - information about connecting to the new USB port hand controls
  • Odds and Ends updated 19 Apr 2017 - Celestron's latest hand controls have a USB port for connection to your PC/laptop
  • Links updated 15 Apr 2017 - Added Team Celestron - Celestron's official forum site for beta testers of their products.
  • Odds and Ends updated 2 Mar 2017 - updated Hand Control Compatibility article to improve clarity
  • Odds and Ends updated 24 Jan 2017 - added article explaining how to fix Boot Loader Invalid Pkg Errors on the NexStar+ and StarSense hand control
  • PC/Mac/Tablet/Smartphone Control updated 23 Jan 2017 - complete rewrite to simplify and to add wireless control
  • Firmware Versions updated 21 Jan 2017 - Celestron has posted an official document detailing all firmware versions for the NexStar+ hand control as well as their newest mounts.  Visit any of the firmware version page for any of the models compatible with the NexStar+ hand control
  • PC/Mac/Tablet/Smartphone Control updated 10 Feb 2016 - added Celestron SkyPortal to the list of programs compatible with NexStar scopes

This site has been visited more than 2 million times since its introduction in November 2000

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Copyright 2000-2017
Michael Swanson
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