IC 5146, the Cocoon Nebula in Cygnus, at the end of the dark nebula B168. <br />
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This is a stack of 10 x 8-minute exposures with the Sky-Watcher 20cm Quattro astrographic Newtonian reflector at f/4 with its coma corrector, and filter-modified Canon 5D MkII at ISO 800. Taken from home on Oct. 14, 2015.