Possible supernova at 7 o'clock?

Interesting things
1

http://legacysurvey.org//viewer/?ra=170.3111&dec=21.9585&layer=dr8-south&zoom=16

faint green spot at 7 o’clock but better visual in single exposures

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This spot has sharp edges and is squary. Only visible in one single image cutout. So not a #transient candidate but more, likely an #artifact. By the way a #transient candidate’s spectra first has to be determined before the #transient officially is acknowleged as a #supernova.

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