2MASX J11051526+2958421 (PGC 142876 and others) might be more interesting than the Arp. This is a M94-looking galaxy below and to the left of Arp 21. This description is from Rick Johnson - https://www.mantrapskies.com/about-me/.
Luminance – 36x600s – 360 minutes – binned 1x1
560 minutes total exposure – 9 hours 20 minutes
Imaged in December, 2020 and January, 2021 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at
LRGB - https://www.flickr.com/photos/dcrowson/ ... 9/sizes/l/
Dan