Sky Chart Software Compatible with Windows XP and higher including Windows 10.1 & Mac OSX This program enables you to draw sky charts, making use of the data in many catalogs of stars and nebulae. In addition the position of planets, asteroids and comets are shown. The purpose of this program is to prepare different sky maps for a particular observation. A large number of parameters help you to choose specifically or automatically which catalogs to use, the color and the dimension of stars and nebulae, the representation of planets, the display of labels and coordinate grids, the superposition of pictures, the condition of visibility and more. All these features make this celestial atlas more complete than a conventional planetarium. System Requirements Microsoft WindowsWindows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 10.1 Mac OSX F.A.Q Is this a trial version or full software?This is a full version of the software. We use open-source software to provide a more affordable alternative to expensive software on the market. We charge for our work to professionally make and package the CD for your usage. And if you have any questions, please feel free to contact us and we will try our best to assist you. Does the software violate any copyrights?No. I am authorized to distribute this software under the GNU LGPL. This listing does not violate the Digital Delivered Goods Policy as it ONLY offers a CD version. Can I install on more than one computer? Yes. You may install on unlimited PCs within your household and use this software without restrictions. Do you supply printed manual?No. All user manuals are in digital form. Is this Legal software? Yes! This is 100% legal software! All software under GNU LicenseWe are Authorized Distributors Under GNU GPL (General Public License) Does this software have to be activated? No activation is required ! Payment We accept all major credit cards and paypal ShippingNo shipment to Alaska/Hawaii, US Protectorates, APO/FPO, PO Box and International.You will receive a CD with a CD sleeve. Majority of our shipment are via FedEx with tracking number