This program enables you to draw sky charts according to the data of 15 catalogs of stars and nebulae, as well as plot the positions of planets, asteroids and comets.
HNSKY Planetarium program for windows. With 26000 deepsky object and 2.5 million Tycho stars. Free! Can access GSC and UCAC2. Also a free REALSKY/DSS viewer and BMP to FITS convertor
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes, comets, constellations, eclipses, exoplanets, nebulae, meteors, quasars, obser...