* Choice of positive charts (white on black, recommended to preserve night vision) or negative (black on white – easier to read and better for daytime use.) * Auto detection of your location and presentation of the chart containing the sky directly overhead. * All Messier objects, plus many NGC and IC catalogue objects. * Stars down to sixth magnitude double and variable stars included. Prepared by famous celestial cartographer Wil Tirion, they present the entire sky in the form of 18 charts, 16 covering the equatorial region of the sky (8 each side of the celestial equator) and one for each of the Polar Regions. Best of all: Many are free! The apps below are free to install unless otherwise note (though in-app purchases may be available).These are serious Star Charts! Not a planetarium-type app suitable for beginners, but rather a very detailed series of charts of the night sky for observers using binoculars or a telescope. Next time you find yourself on a nighttime walk, or looking for a way to entertain the kids in the backyard after the sunset, pull out one of these apps and prepare to be amazed. You just have to fire up the app and then look like some kind of astronomical genius. That means you don't need a planetarium docent's knowledge of hundreds and thousands of stars to find the one you're looking for. How does it work? Most of them have some kind of augmented-reality feature, where they can locate where you are automatically and pull up what the star map should look like above you. Many of them can even alert you to the upcoming celestial events, so you'll never miss another Super Moon again. Most of the time, all you have to do is point them at the night sky, and they'll demystify what's in front of you, be it stars, planets, constellations, or man-made objects like satellites or the International Space Station. Whether the Super Pink Moon in April kickstarted your love of astronomy, or you want to be prepared by the time the Perseids meteor shower rolls around in during warmer weather, you should start with checking these best stargazing apps.
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