Longest spiral arms I have seen
Please help classify this.
Is this two spiral merging ?
by Capella05 moderator
Yes, it is a merger between 2 galaxies 😃 We would call the really long arms tidal tails/trails, and it is a classic sign of interacting galaxies.
by ElisabethB moderator
Definitely a merger ! 😄
Here's the image from SDSS (image rotated/flipped)