Gamma Cygni Region and Crescent Nebula

            Gamma Cygni, also named Sadr,is a star in the northern constellation of Cygnus, forming the intersection of an asterism of five stars called the Northern Cross.  The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It was discovered by Friedrich Wilhelm Herschel in 1792.[2] It is formed by the fast stellar wind from the Wolf-Rayet star WR 136 (HD 192163) colliding with and energizing the slower moving wind ejected by the star when it became a red giant around 250,000[3] to 400,000[citation needed] years ago. (info from wikipedia)

Canon 60D modded
200mm
Astrotrac
ISO 4000
35 exposures @ f4 120 seconds
45 Darks
Southern Vermont
9/3/2016
Everything that I wanted to shoot was obscured by trees, so the safest thing to shoot, was straight up.  
   

Taken on: September 23, 2016

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Gamma cygni

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