Assertion: supernova | /r/HasProperty | observed by a group of students
Facets:
value: at 7:20 p.m.
type: TEMPORAL
Source sentences:
text: The supernova was first observed Tuesday (Jan. 21) at 7:20 p.m. local time (19:20 UTC) by a group of students led by Steve Fossey at the University College London.