FRB20180916B-20221226-S001-R001-R-212008.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-26 12:20:10.550 16.270 +/- 0.870 (3sigma) 15.606 +/- 0.872 (5sigma) 14.706 +/- 0.876 (10sigma)