M81 Bode’s and M82 Cigar Galaxies

astrofotografie, astronomie, astronomy, astrophotography, bodes galaxy, cigar galaxy, galaxy, galaxy cluster, m81, m82, messier, ngc, ngc3031, ngc3034, spiral galaxy, star burst galaxy, ursa major
M81 Bode’s Galaxy and M82 Cigar Galaxy – Feb/Mar/Apr/May 2021 v1

The last one for this season, weather wasn’t that stellar for astrophotography in the last months, so too little exposure time and too much noise. To be continued in 2022 …

All details at Astrobin.

astrofotografie, astronomie, astronomy, astrophotography, bodes galaxy, cigar galaxy, galaxy, galaxy cluster, m81, m82, messier, ngc, ngc3031, ngc3034, spiral galaxy, star burst galaxy, ursa major
M81 Bode’s Galaxy and M82 Cigar Galaxy – Feb/Mar/Apr/May 2021 v1 – Annotated

Backyard astrophotography in light-polluted Cologne-Dellbrück (SQM 19.1-19.7)
Skywatcher Esprit 100/550 ED, Skywatcher Flattener, Optolong L-eNhance / Astronomik L-2, ASI 294MC Pro
OAG with Lodestar X2
Mount AZ EQ6 GT
Image acquisition: CdC, APT, PHD2, dithering
L-2: 68 x 300s, gain 120, -10C, 30 flats, 30 darkflat, 15 darks
L-eNhance: 58 x 900s, gain 120, -10C, 150 flats, 30 darkflats, 16 darks
Data calibration/integration: PixInsight, drizzle integration, 50% crop
Image processing: PixInsight, Photoshop, Lightroom