https://www.legacysurvey.org//viewer/?ra=7.0595&dec=-8.7379&layer=ls-dr9&zoom=16
Check the single image exposures - that’s a supernova candidate if you search the Transient Name Server. Asteroids usually move a lot quicker and mostly are visible at the position for a few hours.
https://www.legacysurvey.org/viewer/exposures/?ra=7.0595&dec=-8.7378&layer=ls-dr9
https://www.wis-tns.org/object/2018efl
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duly amended ~ cheers