Stellarium

A planetarium on your screen showing exactly what is in the sky above you, tonight or on any date you choose.

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6 more ways to get Stellarium

Other download sites

Run by third parties, not by stellarium. Prefer the official page above when it works.

Package managers

  • wingetwinget install --id Stellarium.Stellarium
  • Chocolateychoco install stellarium
  • Homebrewbrew install --cask stellarium
  • Flathubflatpak install flathub org.stellarium.Stellarium

About Stellarium

Stellarium renders a realistic sky in three dimensions: stars, planets, the Moon, constellations, deep sky objects and atmospheric effects, from any location and at any date and time. Set it to your back garden at eleven tonight and it shows what you will actually see.

That makes it both a teaching tool and a genuinely practical planning tool: it simulates the view through binoculars or a named telescope and eyepiece, and can control a real telescope mount through a plugin. Star catalogues extend to hundreds of millions of objects if you download them.

Strengths

  • Accurate sky for any location, date and time
  • Simulates the view through binoculars, telescopes and specific eyepieces
  • Controls a real telescope mount through a plugin
  • Downloadable catalogues extend it to hundreds of millions of objects

Limitations

  • The three-dimensional rendering needs a reasonable graphics card
  • Default catalogues are limited until you download the extra ones
  • The interface hides a lot behind small side panels
  • Mobile versions are separate products with different features

Details

Pricing
Free · Free and open source under the GPL 2.0, funded by donations and sponsorship.
License
GPL-2.0
Developer
stellarium
Platforms
Windows, macOS, Linux, Android, iOS
How it runs
Downloadable app
Account
Not required
Works offline
Yes
Best suited for
Working out what that bright thing in the sky is, or planning an observing night
Categories
Learning and reference
Last verified
Added
Provenance
Selected from the TechWalrus downloads catalog (Science & Learning); facts checked against the developer's own pages, 2 sources on file.

Similar software

Related functionality, not necessarily a direct replacement.

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