FRB20180814A-20221219-S001-R001-R-222209.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-19 13:22:10.929 16.601 +/- 0.670 (3sigma) 16.072 +/- 0.671 (5sigma) 15.356 +/- 0.673 (10sigma)