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Lunar Calendars and Eclipse Finder Related
StarStrider
StarStrider is a software planetarium that utilizes the latest in 3D-technology in order to show you not only the planets and satellites of our solar system, but also galaxies, nebulas, and hundreds of thousand of stars - in real-time 3D.
GrandTour
Accurate, flexible wireframe simulator for the Voyager and Giotto space missions, with animation capability. Developed at JPL for science/navigation, and filmed by the BBC/NOVA. Conveniently runs from any Windows/DOS.
Coeli - Stella 2000
Complete astronomy software suite exploring realistic skies in real time, with observing log, Live Orbits, Sky Quiz, spoken guidance, A-Z encyclopedia, and a concentrated search embracing planets, comets, asteroids, DSOs, and 300,000 stars.
Planet Orbits ScreenSaver
Screensaver that shows a 3D random arbitrary solar system that shows planets with random orbits and textures from real solar system planets and imaginary planets around the sun
Julian Day Converter
Das Program "Julian Day Converter" erlaubt die Umrechnung eines gregorianischen Datumwertes in das Julian Day oder Modified Julian Day Format und umgekehrt. Der Julian Day gibt die Anzahl der Tage seit dem 24. November -4713 an.