Lensing, but from what? Two lenses

https://www.legacysurvey.org//viewer/?ra=181.2716&dec=1.6390&layer=ls-dr10-grz&zoom=15

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doesn’t look like lensing, even on HSC DR2

These could be a grouping of galaxies to confuse you. I would suggest the galaxy zoo project (www.galaxyzoo.org) has some nice information. They use the images from the LegacySurvey.org on here too

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Would reccomend these articles on the Galaxy Zoo - Zooite giode to strong gravitational lenses

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possibly a lens just south of your ‘lenses’ on HSC DR2