FRB20180916B-20221125-S001-R001-R-214445.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-11-25 12:44:47.679 15.490 +/- 1.741 (3sigma) 14.763 +/- 1.746 (5sigma) 13.777 +/- 1.755 (10sigma)