Star Guide: Sternenhimmel

Turn your phone into a real‑time planetarium. Star Guide helps you explore the night sky, identify stars and planets, and plan the best moments to look up—whether you’re stargazing tonight or previewing the sky months from now.

Point your device upward to see what’s above you, switch on Augmented Reality (AR) for an immersive sky overlay, and explore celestial objects in 3D. Want to plan ahead? Travel through time to see how the sky changes in the past or future, and preview the view from different locations around the world.

Key features
• Live star finder & planetarium view
Explore the night sky based on your position and direction.
• Augmented Reality mode
Overlay stars and planets on your camera view for easy identification.
• 3D stars & planets
Visualize objects in a more immersive way and explore in 3D.
• Best viewing time notifications
Get alerts for great stargazing moments and upcoming viewing opportunities.
• 24‑hour sky motion preview
See how a star moves and circles across the sky over a full day.
• Past & future sky “time travel”
Rewind to previous nights or fast‑forward to plan future observations.
• Different locations
Change your location to preview the sky from other places—perfect for trips.

Great for
• Casual stargazing from your backyard
• Learning the night sky with an interactive planetarium
• Planning the best time to spot planets
• Exploring how the sky looks from other cities and countries

Permissions (why they may be requested)
• Location: improves sky accuracy for your current position
• Camera: required for AR mode
• Notifications: optional alerts for best viewing times

Download Star Guide and start exploring the sky—right from your pocket.

Fixed authentication for Apple users