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Ink Spot Nebula and Open Cluster NGC 6520: This is another  Dark Nebula in the central dust band of the Milky Way, catalogued by E.E. Barnard in his list of Dark Nebulae as no. 86. Very close to it is the young star cluster NGC 6520 which formed from the molecular cloud B 86. The assembly of bright blue stars is in a distance of 5500 LY.

Have a look at the Hi-res version to view the millions of  stars in this very dense part of the Milky Way.

The image was taken at the observatory of IAS at Hakos Farm in Namibia.

Object Ink Spot Nebula and Open Cluster NGC 6520
Category IAS Hakos, Namibia
Designation NGC 6520
Constellation Sagittarius
Optics Keller 20 inch Cassegrain f/3 in corrected primary focus
Mount Liebscher GEM
Camera SBIG STL-11000M with internal CFW 5
Exposure 3 x 5min 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, CCDStack, Photoshop. Color Code RGB
Location-Date IAS-Hakos, Namibia - 1.4.2011
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