Ad Astra - Sky Atlas|書籍線上App不用買-HotApp4Game

An essential tool for every astronomer. The star atlas that makes it really easy to pick the best objects, make your own observation list and use it when you are outside + free Apple Watch app!Ad Astra contains detailed maps of all 88 constellations, descriptions of more than 1200 of objects: star clusters, planetary nebulae, galaxies, double stars and variable stars. All within reach of amateur telescopes and in a lot of cases, also viewable in binoculars.If you like an object, just press the + sign next to it to add to your personal observation list. When you go outside at night, use the large maps in the special red night vision mode to find the object and start observing.Ad Astra covers both the northern and southern skies. And supports both your iPhone and iPad, you only have to pay once to use Ad Astra on both devices!Ad astra is made for everyone who likes to explore the heavens with a reliable tool. If you are done with planetarium apps and up for some real star gazing, this is your way to go deeper.Ad Astra has been built upon open Astronomical data. It features deep sky objects up until visual magnitude 12. What do you want to see tonight? Start now.DisclaimerWe do our utmost to deliver you the best software and data available in the market, but of course we cannot guarantee - nor will we accept any responsibility regarding - the proper functioning or accuracy of both. Data sources can change over time. You can not derive rights from this information. By downloading and using Ad Astra - Sky Atlas you accept these terms.