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.

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:

• Operating System: Windows All Version
• Language: English-US
• License: Freeware
• Author: Stellarium