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Galactic Nebula NGC 6357: This huge emission nebula is sometimes also called "War and Peace" Nebula due to its chaotic structures of shock waves created by a young star cluster. This cluster in the center of the image is called Pismis 24 containing some of the most massive stars we know in the order of more than a 100 sun masses.

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

Object Galactic Nebula NGC 6357
Category IAS Hakos, Namibia
Designation NGC 6357
Constellation Scorpius
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 10min Baader H-alpha filter, 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 L:H-alpha, R/H-alpha,GB
Location-Date IAS-Hakos, Namibia - 1.4..2011
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