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Date: Aug 18, 2007 Object: NGC 6939 Open Cluster Description: Located about 36 light years away in the constellation Cygnus, the Open Cluster NGC 6939 is about a 8th magnitude object that contains about 80 stars within an 8 arc minute diameter. Photo Credit: Bobby Arn Location: Requarth's Observatory, Millikin University, Decatur, IL Telescope: Parallax Instruments 20" Ritchey-Chrétien Exposure (seconds): 15x60/10x60/10x60/10x60 LRGB |