SkySafari Pro

SkySafari Pro

5,000 - 10,000 downloads

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Note: If you are running Android 4.0 or higher, look for our new SkySafari 4 Pro App.

SkySafari Pro will completely replace your desktop astronomy software, and forever change the way you view the night sky. With SkySafari Pro, you can now explore the universe - not just from Earth, but from anywhere in the Milky Way galaxy!

As just reviewed in Sky & Telescope magazine, the iOS version of SkySafari is "revolutionary" and a "game-changer". Now here for Android, SkySafari will change the way you do astronomy!

SkySafari Pro has the largest database of any astronomy app, period. It weighs in at half a gig, and contains over 15.3 million stars from the Hubble Guide Star catalog, plus 740,000 galaxies down to 18th magnitude, and over 580,000 solar system objects - including every comet and asteroid ever discovered.

SkySafari Pro includes NASA's latest LRO Moon map, with 8x the resolution of any other SkySafari version.

Make sure you have at least 1.5 GB of free space on your internal SD card for SkySafari Pro to download this database from Google Play the first time it runs! (Note: due to Google Play rules, this data cannot be moved to your external SD card - you must have 1.5 GB free on your internal SD card!)

SkySafari Pro can point your GoTo or "Push-To" telescope anywhere in the sky, using your Android device's built-in WiFi or bluetooth, and our SkyFi wireless or Starry Night BlueStar bluetooth serial adapter.

SkySafari Pro accurately shows you the sky from any place on Earth, at any time up to 100 years in the past or future. It includes 1100 encyclopedic descriptions of the constellations, stars, and planets written by professional astronomers. And it contains over 800 images from NASA space missions, the Hubble Space Telescope, and the world's foremost astro-photographers.

If you have an Android device with a compass, SkySafari Pro can help you identify stars and planets by holding your phone next to them. Tap the Compass button (or tilt your phone up toward the sky) to activate the compass. Now, as you move the phone around, the sky chart follows your motion. Search for any object in the sky, and follow the arrow on screen to find it!

SkySafari has a "Night" button to preserve your dark adaptation as you're exploring the night sky. The Time Flow feature lets you animate the night sky using simple VCR controls - follow the motion of the stars and planets as SkySafari compresses days, months, and years into a few seconds.

SkySafari Pro includes 1500 times more stars than Google SkyMap, and 580,000 solar system objects. It includes every known moon, asteroid, and comet in the solar system - not just the Sun, Moon, and planets.

Our apps contain hundreds of built-in images, and thousands of object descriptions, written by professional astronomers. Other apps give you Wikipedia links - which don't do much good when you're out in the field, away from Wi-Fi or data network connections.

Our Plus and Pro versions can control telescopes; other apps cannot. Nor can they reproduce basic astronomical phenomena like eclipses and moon shadow transits. Our apps were developed by passionate astronomers with a penchant for accuracy. We stand by our products!


Having trouble downloading the data files? Is it running slowly? Check our web site for help:

Answers to the most frequently asked questions about SkySafari Pro for Android:

If all else fails, send us an email - we're, and we're happy to hear from you.

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Recently changed in this version

Release 1.8.5 is a bug-fix release. For the complete lists of what's new, go to this page:

Comments and ratings for SkySafari Pro
  • (75 stars)

    by Danny Kees on 15/04/2014

    Great app. But I paid 50 bucks for it. You should have updated this app instead of making a "new" version and charging us again. Its completely unacceptable for an app that's $50.

  • (75 stars)

    by Jeff Struve on 13/04/2014

    Wish you could input telescope, eyepiece, and camera specs so you could get a FoV

  • (75 stars)

    by Jude Collins on 09/04/2014

    After spending a ton of money for this "Pro" app, you release a new and improved "Pro" version for Android 4 and charge another arm & leg for it. How long has Android 4.x been out? Almost long enough that Android 5 (or 4.5) is already in discussion.

  • (75 stars)

    by Olav Norrud on 03/04/2014

    Some performance issues, but not bad. Confusing upgrade that may or may not run better with Android 4.

  • (75 stars)

    by Simon Webb on 27/03/2014

    Brilliant app but Slightly annoyed! Just paid full whack for this yesterday, then you release skysafari4 pro for half price! I would like a free update or a refund please!

  • (75 stars)

    by Carboal1 on 27/03/2014

    Didn't think SkySafari could get any better but it did. Great App

  • (75 stars)

    by Andy Harris on 23/03/2014

    Absolutely superb! the attention to detail is amazing, the amount of information overwhelming, the settings are comprehensive so the customization to suit ones needs is extremely useful. I can't think of anything else that this app needs. A top end app wh