HNSKY for LINUX or HNSKY is a full feature planetarium program for Windows and Linux (under development). Contains 30.000 deep sky objects, a comet and asteroid database and the TYCHO2++ 4.5 million star database up to magnitude 12.5. The Sun, Moon, the planets and their major moons are all displayed with surface features. It is supplied with hundreds of DSS deep sky images which will blend in at the correct size and orientation. Free.
HNSKY home page:http://www.hnsky.org/software.htm