Back to the roots. After all the data acquired under pristine Namibian skies, both locally and remotely, I managed to capture the Coathanger Asterism in my backyard. A few days after summer solstice, when astronomical dusk isn’t reached during the night.

All details at Astrobin.

Backyard astrophotography in light-polluted Cologne-Dellbrück
Skywatcher Esprit 100/550 ED, Skywatcher Flattener, Baader CMOS-optimized LRGB / QHY268M
OAG with Lodestar X2
Mount AZ EQ6 GT
Image acquisition: NINA, PHD2, dithering
84 x L, 42 x R, 42 x G, 37 x B, 30s each, mode 1, gain 0, offset 10, -5C, 20 flats, 50 bias, no darks
Total time: 6150s / 1h42
Data calibration/integration: PixInsight WBPP
Image processing: PixInsight, Photoshop, Lightroom