Calculates dates and times for equinoxes, solstices and cross-quarter days.. Free download of Equinoxes, Solstices and Cross-Quarter Days 5.01
Complete 2013 Nautical Almanac in pdf format. Free download of Nautical Almanac 2013
Star Altlas, Almanac, Eclipses, Twilights + Voy Planner for 9999BC to 9999AD. Free download of AstroNav 1.1.6
The Sun & Moon Calculator displays solar and lunar data throughout the day.. Free download of Sun & Moon Calculator 4.4.2-1
Software to find dates and times of lunar and solar eclipses and lunar phases. Free download of Lunar Calendars and Eclipse Finder 14.19
Chinese Calendar converter and a tool for the study of the Chinese Calendar. Free download of Chinese Calendrics 14.19
Astronomical planetarium with 28,695 celestial objects. Completely customized.. Free download of LcStars 3.2
An astronomical images processing software. Free download of IRIS 5.59
Moon Phase Calculator is simple and easy to use tool. Free download of Moon Phase Calculator 3.50
The free space simulation that lets you explore our universe in three dimensions. Free download of Celestia 1.6.1
Strictly spoken it's a piece of software, simulating the Solar System's bodies. Free download of OpenUniverse 1.0 Beta 3
CyberSky is an accurate, yet easy-to-use planetarium program.. Free download of CyberSky 5.0.3
Satellite Tracking Software for tracking satellites in real time. Free download of DESA Satellite Tracker 1.x
An accurate simulation of the solar system, with all planets over 8000 stars. Free download of SolarMax 1.0.9
View a dark energy inside Solar system on your dektop with this screensaver!. Free download of Dark Solar System 2011