Arp 180 (MCG-01-13-034, PGC 16261, VV 822 and others) is a part of Arp’s ‘Galaxies – Narrow Filaments’ class. I can only find one designation but there are two galaxies noted here. There’s little other information on this pair located approximately six degrees from Rigel in Eridanus.
Luminance – 27x600s – 270 minutes – binned 1x1
RGB – 10:10:9x300s – 50:50:45 minutes each – binned 2x2
415 minutes total exposure – 6 hours 55 minutes
Imaged November 6th, 2021 and November 11th, 12th and 13th, 2023 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 -
https://www.flickr.com/photos/dcrowson/ ... 9/sizes/l/
Dan
