A web-only stargazing sessions planner. SkyPlanner can help you generate stargazing "playlists", using a rich internal database of objects.

Stellaris is a very comprehensive astronomy suite that goes well beyond displaying the nightly sky. The application's wide range of features addresses all users, from beginner to experienced.

Using Universe Sandbox, one can see the effects of gravity on objects in the universe and run scale simulations of our Solar System, various galaxies or other simulations, while at the same time, interacting and maintaining control over gravity, t

AstroClock FX (Java) gives you Seven Date/Time Clocks all on one screen!

A deepsky atlas ready for printing in 12 A3 pages. Available in PDF and PPT formats. A more detailed version with stars up to mag. 8.5 and an Atlas of Double Stars are also available.

A printable deep sky atlas in PDF format with stars down to mag. 10.2m and DSO down to mag. 14.0

HEALPix is an acronym for Hierarchical Equal Area isoLatitude Pixelisation of the sphere.


Set of three online interactive tools which produce sky maps for any time and date, viewpoint, and observing location.