Sky & Telescope Mobile Apps

SkyWeek - not available

* SkyWeek is no longer available for iOS or Android. Please stay tuned for news about our apps.

Keep up with the best celestial sights, and view each event with an interactive sky map automatically set to your location.

SaturnMoons

Track Saturn's nine largest moons using pinch-zoom and time controls that let you customize your view exactly as you like it. Plus get the scoop on the planet, its spectacular rings, and its bizarre family of satellites.

JupiterMoons

Locate Jupiter’s four largest moons and predict Great Red Spot crossings and moon transits and eclipses. And learn more about Jupiter and its ice-and-fire moons with our encyclopedic descriptions.