Stellarium is a fresh build a unique multi-platform astronomical programs. Package in real-time three-dimensional pokazyvet real image of the sky, shows the stars, constellations, planets. Here you can see a map of constellations, with all their images, have reached us from the ancients.In addition, in the presence of night mode display, procherchivanie boundaries of the constellations, the choice of "home" planet.
Firmament program includes:
• The default directory, with more than 600,000 stars
• Additional directories with more than 210 million stars
• Star clusters and constellations of images
• Constellation of 11 world cultures
• Images of nebulae (full Messier catalog)
• Realistic Milky Way
• Very realistic atmosphere, the sunsets and sunrises
• planets and their satellites

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
• Spheric mirror projection for your own low-cost dome
• All new graphical interface and extensive keyboard control
• Telescope control

Visualisation
• Equatorial and azimuthal grids
• Star twinkling
• Shooting stars
• Eclipse simulation
• Skinnable landscapes, now with spheric panorama projection

Customisability
• Plugin system adding artifical satellites, ocular simulation, telescrope configuration and more
• Add your own deep sky objects, landscapes, constellation images, scripts...

Homepage: - http://www.stellarium.org/