Stellarium-Free Open Source Virtual Planetarium.

 Stellarium is free open source planetarium software for Desktop for various operating systems.

It also has Webversion.

Enjoy this software by inserting your location coordination .( of after installing it)

Get to know the live locations of most astronomy objects in your sky.Also you can go back in past and future to know the locations of astronomy objects. 

To download, please go to below link 

http://stellarium.org/en/

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