It is being used in planetarium projectors. Just set your coordinates and go.

Features:

Sky:

• default catalogue of over 600,000 stars
• extra catalogues with more than 210 million stars
• asterisms and illustrations of the constellations
• constellations for twelve different cultures
• images of nebulae (full Messier catalogue)
• realistic Milky Way
• very realistic atmosphere, sunrise and sunset
• the planets and their satellites

Interface:

• a powerful zoom
• time control
• multilingual interface
• fisheye projection for planetarium domes
• spherical mirror projection for your own low-cost dome
• all new graphical interface and extensive keyboard control
• telescope control

Visualization:

• equatorial and azimuthal grids
• star twinkling
• shooting stars
• eclipse simulation
• skinnable landscapes, now with spherical panorama projection

Customizability:

• plugin system adding artificial satellites, ocular simulation, telescope configuration and more
• add your own deep sky objects, landscapes, constellation images, scripts...

System Requirements:

• Windows NT/2000/XP/2003/Vista/7/8/10; Linux/Unix; MacOS X 10.3.x or greater.
• A 3D graphics card with a support for OpenGL.
• A dark room for realistic rendering - details like the Milky Way or star twinkling can't be seen in a bright room.
• Minimum of 256 MiB RAM, 1 GiB or more required for the largest star catalogues.