A java 3d simple virtual celestial globe. Source code available
Matches OpenScience Observatories images with astronomical catalogs
Sight Reduction for Air Navigation with Python
more calendar conversions, epochs, JDN, moon, +
Astronomical Image Solver with Telescope Pointing
Automated astrophotography using mobile devices
A virtual planetarium for observers of the real sky.
Show stellar evolution and open clusters in a color-magnitude diagram
Moon calendar: shows moon's phase, signs and relatives plant's part