Software Developed by alcyone software

  • Planetary, Lunar, and Stellar Visibility presents a 3-color diagram that shows when a planet, a star, the moon or the sun is visible during any year from 3000 BC to AD 6000 at any location on the earth. The vertical axis marks the months of the year, ...

    • Freeware (Free)
    • 5.75 Mb
    • Windows XP, 2000, 98, Me
  • 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).

    • Shareware ($25.00)
    • 15.25 Mb
    • Windows 9X, ME, 2K, XP, 2003
  • 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.

    • Freeware (Free)
    • 7.87 Mb
    • Windows
  • Alcyone Astronomical Tables provides detailed information on various astronomical phenomena (conjunctions with the Sun, planetary conjunctions, oppositions, greatest eleongations, lunar phases, equinoxes and solstices, passages of aphelia and ...

    • Shareware ($29.00)
    • 6.2 Mb
    • Windows Vista, XP, 2000, Me