johnjohnston + astronomy   2

DarkSiteFinder.com - Light Pollution Map
Quite an amazing map. I think I can get fairly dark in about an hours drive from home. Some people are not so lucky.
astronomy  light  map  maps  sky 
january 2018 by johnjohnston
Stellarium
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.
It is being used in planetarium projectors. Just set your coordinates and go. x-platform & open source.
education  freeware  opensource  osx  linux  space  software  science  Visualization  windows  astronomy  planetarium  sky  stars 
october 2010 by johnjohnston

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