https://www.legacysurvey.org//viewer/?ra=352.5476&dec=8.9395&layer=ls-dr9&zoom=16
That colour. I know that colour.
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Hi,
These are not supernovae but stars. Both are visible in SDSS. SDSS was a search from more than 10 years ago. Supernovae don’t last that long.
Ine 
