M29 - Open Cluster in Cygnus


M 29 (NGC 6913) is an open star cluster in the constellation of Cygnus, the swan. It was discovered by Charles Messier in 1764.

This cluster lies in a rich area of the Milky Way, near Gamma Cygni (Sadr). It is approximately 6-7 million light years away and contains several young (i.e., 10 million years old) class B0 stars that shine at an absolute magnitude of -8.2. It can be easily viewed with binoculars.

Telescope: APM 152mm refractor
Camera: Modified Canon 650D; raw capture; ISO 1600
Mount: iOptron CEM60
Exposures: 24 @ 5 min.
Processing: Images were focused using the camera's live view and a Bahtinov mask. The subframes were aligned and combined in ImagesPlus. Adjustments were made in Photoshop. Topaz Detail and DeNoise were applied.
Location: My backyard observatory in southeastern Minnesota on 6/26-27/17. Temp: 50; Humidity: 95% Seeing: average
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