Has a jellyfish look about it - although this in particular appears to be much further from its nearest cluster (at RA,Dec = 176.0964, 30.9020) and the z-values appear much different and further than the other ones in the cluster - so possibly not

Interesting things
1

https://www.legacysurvey.org//viewer/?ra=175.9092&dec=29.9971&layer=ls-dr10-grz&zoom=15

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