Open Cluster M35: This beautiful Open Cluster is located in the constellation if Gemini or the Twins in a distance of 2800 LY and extends appr. 30 LY. It is a few hundred million years old with most of the stars still shining bluish-white, only a few heavy ones have already turned into Red Giants having a yellow color.

Another Open Cluster, NGC 2158, can be recognized in the lower center of the image. It is about four times more distant than M 35 and much more compact and older, as indicated by the many yellow stars.



Object Open Cluster M35
Category Open Clusters
Designation M 035
Constellation Gemini
Optics Vixen R200SS 8 inch f/4.6 with Televue SBIG Paracorr
Mount Takahashi EM-11
Camera SBIG STL 11000M with internal CFW 5
Exposure 4x5 min (1x1 bin) each Astrodon True Balance RGB filterset, Maxim DL for image acquisition
Calibration Dark + Flat Frame
Guiding Meade DSI Pro II and TMB 80 as Guide Scope, Maxim DL as guiding software
Processing Maxim DL5, Photoshop. Color Code RGB
Location-Date Eningen, Germany - 27 Sep 2009
 
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