2MASX J15024985+2321351 (HCG 73c, PGC 53720 and others) is the largest of a galaxy cluster above and to the left of
2MASX J15023158+2322110 (HCH 73d, PGC 53703 and others is the edge-on galaxy above and to the right of
2MASX J15023128+2319420 (HCG 73e, PGC 53702 and others) is the galaxy to the right of
See the annotated image.
Luminance – 35x600s – 350 minutes – binned 1x1
485 minutes total exposure – 8 hours 5 minutes
Imaged May 22nd, 23rd and 24th, 2023 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at
This data was impacted by the cooling failing on my camera.
LRGB - https://www.flickr.com/photos/dcrowson/ ... 3/sizes/l/
LRGB annotated - https://www.flickr.com/photos/dcrowson/ ... 2/sizes/l/
Dan