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Globular Cluster NGC 6397: This Globular Cluster in the Southern constellation of Ara is the second closest known with only M4 closer. It also  has a rather loose core. That is why it is a favourite object for astronomers to study. The distance to us is 7200 LY.

The image was taken at the IAS astronomical site at the Hakos farm in Namibia.



Object Globular Cluster NGC 6397
Category IAS Hakos, Namibia
Designation NGC 6397
Constellation Ara
Optics Keller 20 inch Cassegrain f/9 in corrected secondary focus
Mount Liebscher GEM
Camera SBIG STL-11000M with internal CFW 5
Exposure 3 x 10min each Baader RGB filterset. Maxim DL for image acquisition
Calibration Dark Frame
Guiding Selfguiding
Processing Maxim DL5, CCDStack, Photoshop. Color Code R,G,B
Location-Date IAS-Hakos, Namibia - 11 Apr 2010
 
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