The Horsehead Nebula

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                                                                      10 inch SCT at F4.9

                                                             STL 4020 color camera and A0-L

                                                    Color  50 X 10 minutes    Lr  20 X 10 minutes

   

 

 

 

 

       1000 X 1000

 

 

 

       Full

 

 

      Luminance (r)