? Grüner Nebelschweif

I don’t know what that is, but it only appears in the SDSS data, so it is probably an artifact of some kind, possibly something bright down and to the right.

https://www.legacysurvey.org/viewer/?ra=264.4711&dec=50.0449&layer=sdss&zoom=9

It doesn’t appear in the Legacy Surveys DR9 layer.

cheers,
–dustin

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