The Heart of Cygnus

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The Heart of the Constellation Cygnus surrounding the star Sadr. To the right is the tiny Crescent nebula. The image was taken through a hydrogen alpha filter

 Optics:Canon 200mm lens 
Camera:astro-modified Canon 6D 
Exposure info:20 x 200 secs  
Filters used:Astronomik H-alpha 
date:July 2016