Unknown galaxy?

https://decaps.legacysurvey.org//viewer/?ra=199.2907&dec=58.0007&layer=ls-dr9&zoom=15
Tried to look it up on Simbad but didn’t get any results. Also why does it have this elongated spiral arm?

SIMBAD isn’t good for dim galaxies. Use NASA NED.
The galaxy has been in 2 surveys, and is listed as an UV source.
Probably some sort of merger happening.

https://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?search_type=Near+Position+Search&in_csys=Equatorial&in_equinox=J2000.0&obj_sort=Distance+to+search+center&lon=199.2907d&lat=58.0007d&radi0us=0.1

https://ned.ipac.caltech.edu/cgi-bin/objsearch?search_type=Obj_id&objid=197349353&objname=1&img_stamp=YES&hconst=73.0&omegam=0.27&omegav=0.73&corr_z=1

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unwinding, asymmetrical shape so I would say definitely merging or at least heavily interacting.

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