Sky Commander Software
Astronomical Catalogs
New! PC Boot-Flasher Software for Windows 8 and 10 (and prior)
Sky Commander Serial Communications Port Testing

If you think you may be having problems with serial communications, the following PDF file will explain how to test it with your PC.

Test Document
Serial Communications Test Procedure

Aug 19, 2015

Sky Tracker Calibration Utility

The Sky Tracker motor drive box may have to be calibrated to provide optimum tracking accuracy. Download the calibration utility program here. Help menu included.

Sky Tracker Calibration Utility   May 23, 2017

User Manuals
Please download the Sky Commander User’s Manual. It contains more details of operation, encoder installation, serial port operation, theory and troubleshooting.

** XP4 Manual **
Sky Commander XP4 Manual v4.1
  March 15, 2009

Original Sky Commander Manual
Legacy Sky Commander Manual v3