Ring of Galaxies

https://www.legacysurvey.org//viewer/?ra=3.6213&dec=-39.2677&layer=ls-dr10&zoom=14&const
I know there is a beautiful huge galaxy next to this, but I noticed what looks like a ring structure and it reminded me of a ring of galaxies I had seen in the past being evidence of dark matter. Is this that?

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they appear to be resolved stars apart from one or possibly two