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WinAstro £25.00 | add to basket

Whether you use a sextant as a backup against GPS failure, or just for the enjoyment, WinAstro will do all of your sight reduction calculations.

From your Estimated Position and planned time of sight, WinAstro will list the predicted azimuth and altitude of all the bodies. Select the one you want to take a fix on, set the sextant to the altitude and point it in the right direction, to take the sight. Take the sextant reading and time of sight, enter it into WinAstro, and it gives you a line of position.Just select the body you are taking a sight on, and the planned t enter the time and sextant reading

WinAstro offers the following tools to help you with your astro navigation:

Now, with Version 2 of WinAstro, the Stellarium sky at night software is included at no additional cost to help you identify all the stars, planets and constellations.

Please note that WinAstro does not run on 64 bit versions of Windows

Go to for lots more information on WinAstro and astro navigation