IC 417 Emission Nebula and Friends – Ha BW – Nov 2021 v1

astrofotografie, astronomie, astronomy, astrophotography, auriga, b&w, black and white, bw, emission nebula, emissionsnebel, fotografie, ic, ic417, m38, messier, ngc, ngc1907, ngc1931, photography, schwarzweiß, sh2-234, sh2-237, sharpless, sw

IC 417 Emission Nebula and Friends – Ha BW – Nov 2021 v1

Backyard astrophotography in light-polluted Cologne-Dellbrück (SQM 20.0)
Skywatcher Esprit 100/550 ED, Skywatcher Flattener, Baader CMOS-optimized Ha 6.5nm / QHY268M
OAG with Lodestar X2
Mount AZ EQ6 GT
Image acquisition: CdC, NINA, PHD2, dithering
Ha: 19 x 600s, mode 1, gain 56, offset 10, -5C, 20 flats, 50 bias, 20 darks
Data calibration/integration: PixInsight
Image processing: PixInsight, Lightroom