Interesting object

https://www.legacysurvey.org//viewer/?ra=117.1384&dec=10.2299&layer=decals-dr5&zoom=15&ngc&sga-parent&sga&const

KNOWN object 2019 MW19 but PRE DISCOVERY picture. (2013-03-10 @ 02:56:23)
This observation is clearly not submitted, as first obs used is in 2019.