Stellarium

stellarium.orgsite

Cross-platform and free planetarium with realistic 3D sky. It also has a web-only alternative.

from

Citizen Science, Astrophotography

added

2026-10-10

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Citizen Science › Software > Lab Equipment Software: “Open-source planetarium software.”

Astrophotography › Software > Planetarium: “Cross-platform and free planetarium with realistic 3D sky. It also has a web-only alternative.”