Interesting merger with a weird third tail

(not on Simbad)

https://www.legacysurvey.org/viewer?ra=54.3188&dec=-17.4504&layer=ls-dr9&zoom=16

I can spot two tidal tails, but what is the debris that is of a slightly different color?
Could there be a third galaxy?

1 Like

Mergers often trigger star formation (blue), so could be that…