Desktop Planetarium and Charting

1. Data Services  (site info) from the U.S. Naval Observatory. Online forms provide sunrise, sunset, moonrise, moonset, and twilight times for one day or one year; moon phases, eclipse charts, and data for major solar system bodies and bright stars. http://aa.usno.navy.mil/AA/data/ 2. Planet's Orbits  (site info) a multi-feature digital orrery. [Shareware - Windows 95/98/ME] http://www.alcyone.de/POrbits/english/ 3. AstroViewer: Quick Orientation in the Night Sky  (site info) The AstroViewer planetarium applet shows a sky map for any time and any location on Earth. Individual printable sky maps (GIF, PDF) may be created. http://www.astroviewer.com 4. The Sky  (site info) planetarium program showing you the sky on any date, from any place on earth. Has features to benefit a wide range of interest levels, from the beginning hobbyist to the seasoned professional. [commercial, Win98/NT, MacOS] http://www.bisque.com/ 5. XEphem  (site info) Interactive astronomy program for Unix systems with X Windows and Motif. [open source - Unix] http://www.clearskyinstitute.com/xephem/ 1-5 of 42. Next »