STARRYNIGHT
Starry Night
Starry Night is a commercial planetarium software, available for Mac OS X, Microsoft Windows and for the iPhone. Starry Night focuses heavily on providing attractive, realistic imagery, although recent versions have also increasingly targeted the amateur astronomy community with features like observation planning, telescope control, and multiple-panel printing.The above text is a snippet from Wikipedia: Starry Night (planetarium software)
and as such is available under the Creative Commons Attribution/Share-Alike License.