Arp 187

Posted by dcrowson
on Thursday, March 9, 2023
Arp 187 (MCG-02-13-040a, PGC 16691 and others), the odd galaxy just left of the bottom center, is part of Arp’s Galaxies (not classifiable as S or E): Narrow filaments class.

IC 401 (PGC 16672 and others) is the large spiral near the top.

These are located below the witch head nebula in Eridanus.

Luminance – 29x600s – 290 minutes – binned 1x1
RGB – 10:8:10x300s – 50:40:50 minutes each – binned 2x2

430 minutes total exposure – 7 hours 10 minutes

Imaged January 5th and November 25th, 29th and 30th, 2022 and January 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.


To leave a comment you must be a member of our community.
Login to your account now, or register for an account to start participating.
No one has commented yet.
Join our Community!

Our community is FREE to join. To participate you must either login or register for an account.


Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.

Find us on Facebook