AstroGrav External Download AstroGrav External Download AstroGrav Vote: (7 votes) Program license: Trial version Developer: AstroGrav Astronomy Software Version: 3.3.3 Works under: Windows Also available for Mac Vote: Program license (7 votes) Trial version Developer Version AstroGrav Astronomy Software 3.3.3 Works under: Also available for Windows Windows 8.1, Windows 10, Windows 7, Windows 2003, Windows Vista, Windows XP, Windows 10 Mac
Free alternatives to AstroGrav Moonphase Program for seeing the phase of the moon at any time Stellarium Portable App that puts the stars of the sky on your mobile device Virtual Moon Atlas A free-to-use application that features the moon's topography, useful for star gazers Stellarium Software used to find out about the stars and planets as well as the rest of the universe