Hickson Compact Group 88 consists of four galaxies located approximately 241 million light-years away in Aquarius:
NGC 6978 (HCG 88a, PGC 65631 and others)
NGC 6977 (HCG 88b, PGC 65625 and others)
NGC 6976 (HCG 88c, NGC 6975, PGC 65620 and others)
MCG-01-53-014 (HCG 88d, PGC 65612 and others)
See the annotated version.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged September 30th, October 1st and 18th and November 19th, 2024 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.c...5579118/sizes/l
LRGB annotated - https://www.flickr.c...5300616/sizes/l
See the links above for the full size versions.
Dan
