Imagine having access to the software used by planetariums? Enter open-source Stellarium, which has a catalog of 600,000 stars. You can get access to more catalogs and discover up to 210 million stars. Zoom in on the twinkling stars all you want.

Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
It is being used in planetarium projectors. Just set your coordinates and go.
Windows | Mac | Linux