M101 Untracked

2023-05-31

M101 Untracked

Camera Settings: 200mm f/2.8, ISO 6400, 1.3 second lights

Gear: Nikon D7200, Nikon 80-200mm f/2.8

Light Pollution: Bortle 4

Target: M101

Processing: 1,862 lights, 103 darks, 95 bias frames. Stacked in DeepSkyStacker with 2x drizzle (took over 14 hours), color calibration, background extraction, and stretching in Siril, starless processing in Starnet++, further editing in Darktable, and stars recomposed in GIMP

Description: Captured on 31st May 2023 from Bath, this untracked image of M101 was taken with a Nikon D7200 at 200mm (300mm effective). The total exposure time is ~40 minutes.