FRB20190212A-20221125-S001-R001-R-212928.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-11-25 12:29:31.920 15.393 +/- 1.646 (3sigma) 14.848 +/- 1.649 (5sigma) 14.108 +/- 1.654 (10sigma)