M 27, The Dumbell Nebula (Vul)

Technical data:    16"f/8-Hypergraph

                           STL6303 with Astronomik-Filterset Type IIc

                           L(=Ha)RGB (Ha=6x900s; R=5x300s; G=5x300s; B=5x600s)

                           Author: Bernd Flach-Wilken

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