Stellarium Mobile Free - Star Map

Discover the night sky with a star map app that transforms your phone into a personal planetarium. Stellarium Mobile Free - Star Map lets you identify stars, constellations, planets, comets, satellites, and deep sky objects in real time by simply pointing your device at the sky. Whether you're a casual stargazer or an aspiring astronomer, this astronomy application delivers accurate celestial navigation with a clean, intuitive interface that works for both adults and children exploring the cosmos.

Experience the universe with powerful observing features that bring the night sky to life. View a precise simulation of stars and planets for any date, time, and location on Earth. Explore an extensive collection of nebulas, galaxies, star clusters, and other deep sky objects with realistic imagery. Zoom in on the Milky Way and distant celestial phenomena with stunning detail. The app includes night mode with red-tinted display to preserve your eyes' adaptation to darkness—essential for outdoor stargazing sessions. You'll also discover how different cultures across the world visualize constellations, adding rich cultural context to your astronomical education.

Track satellites in real time, including the International Space Station, and watch artificial objects cross the sky above you. The app simulates realistic landscape views with accurate sunrise, sunset, and atmospheric refraction effects, grounding your sky observations in actual geography. Explore 3D renderings of major planets and their moons, bringing the solar system into three-dimensional perspective.

Unlock advanced features with Stellarium Plus through an in-app purchase. Upgrade to access objects down to magnitude 22 (compared to magnitude 8 in the free version) and tap into the Gaia DR2 catalog of over 1.69 billion stars, combined catalogs of 2 million nebulas and galaxies, and 10,000 asteroids. Prepare detailed observing sessions with advanced tools that predict object visibility and transit times. Connect and control compatible GOTO telescopes via Bluetooth or WiFi using NexStar, SynScan, or LX200 protocols. Use the offline observation mode—perfect for field work without internet access—featuring a curated dataset of 2 million stars and deep sky objects.

Built by the original creator of Stellarium, the renowned open-source desktop planetarium, Stellarium Mobile Free - Star Map combines trusted astronomy software heritage with mobile innovation. Whether you're planning an observing session, teaching children about constellations, or simply enjoying casual stargazing, this app delivers professional-grade accuracy in your pocket.