Stellarium is a free open source planetarium for your computer

featu­res

sky

• default cata­lo­gue of over 600,000 stars
• extra cata­lo­gues with more than 177 million stars
• default cata­lo­gue of over 80,000 deep-sky objects
• extra cata­lo­gue with more than 1 million deep-sky objects
• aste­risms and illus­tra­ti­ons of the cons­te­lla­ti­ons
• cons­te­lla­ti­ons for 20+ 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
• tails of comets
• iridium flares simu­la­tion
• eclipse simu­la­tion
• super­no­vae and novae simu­la­tion
• 3D scene­ries
• skin­na­ble lands­ca­pes with sphe­ric pano­rama projec­tion

custo­mi­za­bi­lity

• plugin system adding arti­fi­cal sate­lli­tes, ocular simu­la­tion, teles­cope control and more
• ability to add new solar system objects from online resour­ces…
• add your own deep sky objects, lands­ca­pes, cons­te­lla­tion images, scripts…