Strange blue tentacles

A star perfectly aligned with the nucleus of a distant merger with long tidal tails? Or is it a strangely bright and orange nucleus? Those two blue tails turn in different directions, it looks a bit strange to me.

https://www.legacysurvey.org//viewer/?ra=338.6358&dec=-13.6272&layer=ls-dr9&zoom=15

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I keep clicking on the Subaru tab hoping it has coverage on things like this. Nope. The prominent blue smudge at 4:30 looks almost like a lens.