• Hand Control Version 4 for NexStar GPS, CPC, SLT, GT and 'i' Series - 28 May 05
• Hand Control Compatibility - 25 Feb 12
• Accessories for Your Scope - 15 Jan 19
• How to Upgrade Hand Control Firmware - 14 Jan 06
• Common Problems with Alignment on the NexStar GT - 3 Sep 01
• Celestron's Online Spare Parts Store - 4 Sep 10
• Backlash and How to Set Anti-backlash Compensation - 7 Apr 03
• Power Sources for Your Celestron Scope - 10 Jul 18
• No Response Errors - 11 Aug 18
• Questions about RS-232 Control and Upgrades via PC - 5 Jun 02
• Firmware Versions on the NexStar GT
• Common Problems with PC to Scope Communications - 13 Jun 03

• Replacing the LCD Panel in a NexStar Hand Control - an article by Robert Googe - specifically for the NexStar GT hand control but the discussion might help you revive other versions of NexStar hand controls - 17 Mar 23
• Reset to Factory or Default Settings on NexStar v4, NexStar+ or StarSense Hand Controls - 9 Mar 18
• Reset Language on NexStar, NexStar+ or StarSense Hand Control - 9 Mar 18
• Internal Communications of Celestron Computerized Telescope Mounts - 1 Mar 19
• Weight Capacity of the NexStar GT Mounts - 22 May 18
• Cancel a GoTo in Progress - 18 Jun 07
• StarGPS-NX - GPS Receiver for Celestron Scopes - 4 Mar 07
• Potential Fix for Stalling Motors - 8 Aug 06
• NexStar Hand Control Version 4 User's Guide - Updated Regularly
• New Upgradeable Hand Control Available from Celestron - 14 Jan 06
• Factory Settings Requires Power Reset on Hand Control 104.0 - 11 Nov 05
• Celestron Introduces the StarSeeker Series - 3 Sep 05
• Motor Control Board Connections (photo) - 30 May 05
• Disassembly/Reassembly of NexStar 4 GT - Jan 04
• Disassembly Pictures for NexStar GT Altitude Axis - 18 Oct 04
• Disassembly Pictures for NexStar GT Azimuth Axis - 16 Jan 04
• Celestron Introduces the NexStar 80 GTL - 5 Sep 04
• Ports and Connectors on NexStar GT Scopes - 27 July 04
• Celestron Introduces the NexStar 76 GT - 10 Jun 04
• Celestron Introduces the NexStar 102 GT - 10 Jun 04
• 1.25" Visual Back for the NexStar 4 - 3 Jun 04
• Cleaning Optics - Part 1 - Glass Surfaces - 22 Mar 04
• Cleaning Optics - Part 2 - Mirrors - 27 Mar 04
• Focal Reducers for the NexStar 4 - 1 Feb 04
• Extending the Hand Control Cable - 23 Dec 03
• Celestron Introduces the NexStar 130 GT - 22 Sep 03
• NexStar 130 GT - Model Select on Hand Control - 22 Sep 03
• Select Alignment Stars - A Program to Aid in Alignment - 8 Sep 03
• Mounting Other OTAs on NexStar Mounts - 15 May 03
• Tracking Test - 2 May 03
• Alternate Locations for the Hand Control - 25 Jul 02
• Jim Towers' Excellent Battery Tutorial and Guide - 7 Jun 02
• Possible Fixes for Hand Control Misbehavior - 11 May 02
• Warming the Hand Control to Prevent Sluggish LCD - 17 Dec 01
• NexStar Alignment Stars - 2 Dec 07
• Accurate Centering of Alignment Stars - 22 Aug 01
• Altitude Slip on NexStar GT Scopes - 15 Aug 01
• FOV Moves Up/Down When Slewing Left/Right - 15 Aug 01
• Tripod Improvements - 14 Aug 01
• NexStar 80 Optics: Pinched and Out of Collimation - 5 May 01
• Bob Berta's Short Tube Tune-up for N80 and Similar Scopes - 5 May 01
• Attaching a 35mm SLR Camera to the NexStar 80 - 3 Mar 01
• Replacing the Power Connector on Your Power Source - 20 Dec 00

Other sources for NexStar information are
the Cloudy Nights Celestron Forum:
www.cloudynights.com