Herschel 72 (North Up, East Left)
Herschel 72, also known as NGC 6910, is an open cluster in the constellation of Cygnus.  It lies at a distance of ~2,600 light-years. This image comprises 8 x Red, Green and Blue (10, 10 and 8 seconds each), 0.5m f/2.9 ASA Astrograph with FLI ML3200 camera at an altitude of 75 degrees on 3 September 2015.  The luminance filter could not be used because the brightest stars bloom even at short exposures. The field of view is 32’ x 22’.  The nebula is the edge of IC1318D
Hills Observatory: 1 January 2013 to 6 May 2018
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