Simeis 57 - Propeller Nebula

Image Description and Details : The emission nebula Simeis 57 in constellation of Cygnus. It was cataloged in Ukraine in the 1950s as the 57th object in a catalog of 306 HII regions at the Simeiz Observatory. I captured the image from my Garden at Schwabach (Bavaria), Germany at Bortle 5 Class. Equipment: Telescope: Skywatcher 150/750 PDS, Mount: Skywatcher EQ5-Pro, Camera: QHY163C, Guiding: ZWO ASI 120 MC-S with PHD2, Recordingsoftware: N.I.N.A, Exposure: 150 x 120s Lights (RGB), 41 x 300s Lights (Optolong L-eXtreme). Total exposure time: 8,5 Hours, Darks, Flats, Darkflats, Stacking: Astropixelprocessor, Image processing: Adobe Photoshop, Adobe Lightroom

Copyright: Michael Kraus