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Sagittarius Triplet: In the Deep-Sky-Objects rich constellation of Sagittarius one finds a beautifull triangular arrangement of three outstanding emission nebulae, displayed in this image. Right of center is the famous Lagoon Nebula, extending downwards to the faint and not so well known Psychedelic Nebula (IC 4685). The third member of this triplet is the glorious Trifid Nebula at the top.

But there is more to see: Downwards to the left of Trifid Nebula one finds M21, a bright Messier Open Cluster and at the right edge of the image the Globular Cluster NGC 6544.

 



Object Sagittarius Triplet
Category Nebulae
Designation Sagittarius Triplet
Constellation Sagittarius
Optics Takahashi FSQ 106 ED f/5
Mount Astro-Physics 900 GTO
Camera SBIG STL 11000M with internal CFW 5
Exposure 3 x 20min H-alpha, 3 x 5min each RGB, Baader filterset. Maxim DL for image acquisition
Calibration Dark + Flat Frame
Guiding StarlightXpress Lodestar with Schneider OAG, Maxim DL as Guiding Software
Processing Maxim DL5, Photoshop. Colorcode L:H-alpha,R/H-alpha,G,B
Location-Date Somerset West, South Africa - 19 Apr 2015
 
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