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Omicron Velorum Cluster: This bright Open Cluster can be easily observed in the Southern Constellation of Vela with unaided eyes. IC 2391, which is its catalogue designation, has about 30 family members, is in a distance of 580 LY and has an age of about 36 million years, similar to the nearby cluster IC 2602.
left above IC 2391 one can recognize another Open Cluster. It is NGC 2669.

The bright star in the lower left corner is Delta Velorum.



Object Omicron Velorum Cluster
Category Open Clusters
Designation IC 2391
Constellation Vela
Optics Takahashi FSQ 106 ED f/5 x 0.73 Reducer
Mount Astro-Physics 900 GTO
Camera SBIG STL 11000M with internal CFW 5
Exposure 3 x 5min each Baader RGB filterset. Maxim DL for image acquisition
Calibration Dark + Flat Frame
Guiding Selfguiding
Processing Maxim DL5, CCDStack, Photoshop. Color Code RGB
Location-Date Somerset West, South Africa - 13 Dec 2010
Remark A spider cross in front of the objective lens has been used for this image
 
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