Sharpless 187 (Sh2-187) in Cassiopeia
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emission nebula
10’
-
Cassiopeia
3600 light years
2011-10-02 + 03
Gahberg observatory, Upper Austria
6” Flatfieldcamera by Lichtenknecker Atik 16HR with Baader LRGB-filters
Alt AD6
Luminance 63x5 min, RGB 19x5 min each
10h