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Date: Jun. 15-16, 2019 - Location: Dark Sky Observatory, Davis Mountains, TX Telescope: 10in. RC - Mount: Paramount MX - Camera: Apogee F8300 L = 60 min. - R/G = 45 min. each - B = 50 min. (All Binned 2x2) Click on the image below to view at higher resolution. |
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NGC 6939 is an open cluster in the constellation Cepheus approximately 4,000 light-years distant. This colorful cluster is relatively old. A photometric study utilizing member stars have estimated the age of the cluster to be between 1 and 1.3 billion years. The cluster is visible under dark skies with the aid of binoculars and can be resolved using small amateur telescopes. |
