NGC 7599, 7590, 7582 – Grus Quartet Galaxies – IAS Hakos, Namibia – Sep 2023 v1

20-inch ritchey-chretien, NA, astrofotografie, astronomie, astronomy, astrophotography, galaxy, grus, grus quartet, hakos, hakos guest farm, ias, ias observatory, ias observatory hakos, khomas, kranich, namibia, ngc, ngc7582, ngc7590, ngc7599, spiral galaxy, world

NGC 7599, 7590, 7582 – Grus Quartet Galaxies – IAS Hakos, Namibia – Sep 2023 v1

IAS – Internationale Amateursternwarte e.V. – Hakos Observatory, Namibia
IAS 20″ Alluna RC, f/8 @ 4120 mm, 10 Micron GM 4000 HPS
QHY268M, Baader LRGB
48x L, 21x R, 20x G, 18x B 200s, binning 2×2, gain 56, offset 10, -5C, 20 flats, 50 bias, 20 darks
Data calibration/integration: PixInsight
Image processing: PixInsight, Photoshop, Lightroom