Very long star trail, possibly an ancient remnant of past interactions and mergers

https://www.legacysurvey.org//viewer-dev/?ra=192.4489&dec=-41.4180&layer=ls-dr10&zoom=11&const

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Seems to be very long!

PS why the dev viewer instead of regular? Is there some advantage I am unaware off?

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I think Ed’s been looking at HSC-DR3 (not in this post, but in others) which isn’t in production yet

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Aaaah makes sense :+1: