Green galaxy? Imagery artifact?

https://www.legacysurvey.org//viewer/?ra=0.1714&dec=-30.9880&layer=ls-dr10&zoom=15

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I think those weird colors are just coming from the different bands being taken in different conditions – eg, if you look at the single exposures,
https://www.legacysurvey.org/viewer/exposures/?ra=0.1714&dec=-30.9881&layer=ls-dr10
you can see that the first three images (in g / r / i bands) have the first one sharp, the middle one medium, and the third blurry.

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