Kitt Peak image of Arp 94, also known as NGC 3226 and NGC 3227.
The large spiral galaxy, NGC 3227 is interacting with its elliptical galaxy companion, NGC 3226. Faint tidal streams of gas and dust link the pair, showing evidence of their mutual gravitational pull.
Credit: KPNO,NOIRLab,NSF/AURA/Sid Leach and Wil Milan/Adam Block
Source: https://noirlab.edu/public/images/noao-n3227leach/
Image of Arp 147, also known as IC 298, from the Atlas of Peculiar Galaxies by Halton Arp (1966).
In the original catalog, it was in the category: Amorphous galaxies - Associated rings. The clumpy ring in the galaxy on the right likely formed when the companion galaxy to the left crashed through its center.
Hubble Space Telescope image of Arp 26, also known as M101 or the Pinwheel Galaxy.
The image is made with of 51 individual Hubble exposures with additional data from the Canada-France-Hawaii Telescope and Kitt Peak National Observatory.
Credit: NASA, ESA, STScI; CFHT, NOAO, AURA, NSF
Source: https://science.nasa.gov/asset/hubble/hubbles-largest-galaxy-portrait-offers-a-new-high-definition-view/