Arp 33 (UGC 8613, PGC 48118 and others) is found in Arp’s - Spiral Galaxies – Integral Sign – class. Depending on the catalog you reference, this one is designated as 2 – 4 galaxies
Arp 326 is part of the Double Galaxies – Groups of Galaxies – Chains of Galaxies class. This one really appears to be a couple galaxy groups consisting of 7 galaxies including Arp 33. All of these are located in Virgo near the corner in Bootes.
Luminance – 25x600s – 250 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
370 minutes total exposure – 6 hours 10 minutes
Imaged May 30th and June 2nd and 5th, 2019 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.