Star Viewer Pro

Everything in Free, plus:

• Every naked-eye star — 3,400 more stars down to magnitude 6
• 110 Messier objects — galaxies, nebulae and star clusters
• Time travel — any date and time, fast-forward the sky
• Point at the sky — hold up your phone and the map follows
• Favourites — saved to your account on every device

Free stays free: the live sky, 1,600 bright stars, all 88 constellations, the Sun, Moon and planets.

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We use your email only for your account and Pro — no newsletters. Looking at the sky never needs an account.

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Star Viewer

The real sky for your place and time, drawn live in your browser.

• Look around: drag, swipe or use the arrow keys
• Zoom: pinch, scroll, double-tap, or + / −
• Learn: tap any star, planet or constellation name
• Find: press / and type — “Vega”, “Jupiter”, “Orion”, “织女”
• Dark eyes: Night turns everything red

By XRainier (Rainier Studio LLC). Positions are accurate to about an arcminute — plenty for naked-eye and binocular viewing.