NGC 6173 + 6175

Posted by dcrowson
on Thursday, March 2, 2023
NGC 6173 (UGC 10421, PGC 58348 and others) near the top right is an elliptical galaxy located approximately 308 million light-years away in Hercules.

NGC 6175 (UGC 10422, PGC 58362 and 200339 and others) is classified as an elliptical but looks like it could be a couple galaxies merging. This one is located approximately 405 million light-years away.

See the annotated version for the locations of the galaxies above as well as many more.

Luminance – 28x600s – 280 minutes – binned 1x1
RGB – 10x300s – 50 minutes each – binned 2x2

430 minutes total exposure – 7 hours 10 minutes

Imaged April 27th, 28th, 29th and May 2nd, 2022 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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