M29 - Open Cluster in Cygnus
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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. |
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| 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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