Stellarium is a free, open-source planetarium for your computer. It shows a realistic 3D sky, just like what you see with the naked eye, binoculars, or a telescope. It is used in planetarium projectors. Just set your coordinates and go.
Key features of Stellarium:
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- Realistic simulation of the sky, sunrise and sunset
- Pre-selected list of over 600.000 stars
- Additional downloadable catalogs for up to 210 million stars
- Catalog data for all objects in the New General Catalog (NGC)
- Images of almost all Messier objects and our Milky Way Galaxy
- Artistic depictions of all 88 modern constellations
- More than a dozen different constellations with their constellations
- Solar and lunar eclipse simulation
- Photorealistic landscapes (more are available on the website)
- Scripting support with ECMAScript (some demo scripts included)
- Extensible with plugins: 8 plugins installed by default, including:
satellite add-on (updated from an online TLE database)
eye simulation plugin (shows how objects look to a given eye)
solar system editing plugin (imports comet and asteroid data from MPC)
telescope control add-on (compatible with Meade LX200 and Celestron NexStar)
Download: Stellarium 25.4 (64-bit) | 437.0 MB (Open Source)
View: Stellarium Home Page | Other operating systems
Although the press releases will range from very select to rare, I said I'd pass...because sometimes the editors hide.
