Alcyone Ephemeris is an accurate and fast astronomial ephemeris calculator covering the period 3000 BC to AD 3500. It calculates heliocentric, geocentric, and topocentric positions of the Sun (Earth), Moon, and planets. Read More...
Free - Jean-Marie Straetemans
Suncycle is a calendar with the sunrise and sunset time for a latitude/longitude and time zone. The moon ephemeris is also available now .Suncycle has been downloaded in 47 countries over the globe. You can configure in the about screen the winter .. Read More...
$25.00 - alcyone software
Planet`s Orbits (for Windows 98/ME/2000/XP) is an accurate digital orrery with a wealth of functionality. The program uses the DE404 ephemeris (accurate for dates between 2000 B.C. and 6000 AD) for the calculation of planetary (except Pluto). Read More...
Free - Jean-Marie Straetemans
Suncycle is a calendar with the sunrise and sunset time for a latitude/longitude and time zone. The moon ephemeris is also available now .Suncycle has been downloaded in 47 countries over the globe. You can configure in the about screen the winter .. Read More...