Sharpless 261 (Sh2-261) in Orion
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emission nebula
45’
-
Orion
2011-12-28 + 2012-01-26 + 2012-02-23 + 2012-03-16
Gahberg observatory, Upper Austria
6” Flatfieldcamera by Lichtenknecker;
Atik 16HR with Baader LRGB-filters
Alt AD6
Luminance 51x5 min, RGB 15x5 min each
07h 30min
also called “Lowers nebula”