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Globular Cluster M55: M55 in the constellation of Sagittarius is a beautiful not so compact Globular Clusters so that the core region can be well resolved. It is in a distance of about 17000 LY.

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

Object Globular Cluster M55
Category IAS Hakos, Namibia
Designation M 055
Constellation Sagittarius
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 StarlightXpress Lodestar on Schneider OAG, Maxim DL as Guiding Software
Processing Maxim DL5, CCD Stack, Photoshop. Color Code R,G,B
Location-Date IAS-Hakos, Namibia - 7 Apr 2011
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