Arp 158

Posted by dcrowson
on Thursday, May 5, 2022
Arp 158 (NGC 523, UGC 929, PGC 5268, VV 783 and others) is the odd trainwreck at the top left. Located approximately 194 million light-years away in Andromeda, this one is part of Arp’s, ‘Galaxies (not classifiable as S or E); Disturbed with interior absorption’ class.

Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 9:8:10x300s – 45:40:50 minutes each – binned 2x2

375 minutes total exposure – 6 hours 15 minutes

Imaged January 5th, 6th and 7th, 2021 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

LRGB annotated -
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