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M20, The Trifid Nebula (Sgr)
Technical data: 16"f/8-Hypergraph STL11k with Astronomik-Filterset IIc LRGB (L=3x1200s; R=3x600; G=3x600s; B=3x600s) Authors: Bernd Flach-Wilken
Technical data: 16"f/8-Hypergraph STL6303 with Astronomik-Filterset IIc LRGB (L=3x900s; R=3x450; G=3x450s; B=3x900s) Authors: Volker Wendel and Bernd Flach-Wilken
Technical data: 16"f/8-Hypergraph ST10XME with Astronomik-Filterset RGB (R=2x300s;G=2x350s;B=2x900s) Authors: Volker Wendel and Bernd Flach-Wilken
Technical data: 16"f/8-Hypergraph Ektachrome E200 and Fuji Provia 400F in medium format 2x90 minutes between clouds Authors: Volker Wendel and Bernd Flach-Wilken
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