FRB20180814A-20221213-S001-R001-R-011434.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-13 16:14:36.030 15.415 +/- 1.874 (3sigma) 14.878 +/- 1.878 (5sigma) 14.150 +/- 1.884 (10sigma)