ECHO RIDGE ASTRONOMICAL SOCIETY
     Exploring the Universe from Southwest Virginia.  established 1996
© ERAS 2013
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Exploring the Universe from Southwest Virginia.  established 1996
Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
Highly rated by members who use it.
Stellarium
This program enables you to draw sky charts, making use of the data in 16 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 colour 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.
Sky Chart /Cartes du Ciel
Free
Free
Registax
Free
Astrophotgraphy software for alignment/stacking/processing of images.