NGC 4151

Posted by dcrowson
on Thursday, January 21, 2021
NGC 4151 (UGC 7166, PGC 38739 and at least 50 other designations according to SIMBAD) is a Seyfert 1 ( galaxy with a bright core and faint arms. While papers show varying distance estimates, the newest is approximately 60 million light-years away in Canes Venatici.

NGC 4156 (UGC 7173, PGC 38773 and others) is the delicate face-on spiral above and to the left (east) of NGC 4151. Estimates put this one at approximately 321 million light-years away.

UGC 7188 (PGC 38811 and others) is the odd spiral to the left of NGC 4151.

Luminance – 29x600s – 290 minutes – binned 1x1
RGB – 12:8:12x300s – 60:40:60 minutes each – binned 2x2

450 minutes total exposure – 7 hours 30 minutes

Imaged January 11th, 12th and 15th, 2021 and January 1st, 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.


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