Open Cluster M39: This bright group of stars in a distance of 1000 LY can be detected in the constellation of Cygnus or the Swan even with unaided eyes. The brightest stars of the Open Cluster stand out from a dense star background of the Milky Way. All the cluster stars are still on the main branch of the HRD, thus the age is in the order of 300 - 500 Million years.

Object Open Cluster M39
Category Open Clusters
Designation M 039
Constellation Cygnus
Optics Vixen R200SS f/4 with Baader Coma Corrector
Mount Takahashi EM-11
Camera Hutech modified Canon EOS 30D
Exposure 12 x ISO 800-1min, IDAS LPS filter
Calibration Dark Frame
Guiding Unguided
Processing ImagesPlus, Photoshop
Location-Date Eningen, Germany - 15 July 2008
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