FRB20180916B-20221207-S001-R001-R-023105.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-07 17:31:07.809 15.890 +/- 1.966 (3sigma) 15.133 +/- 1.972 (5sigma) 14.106 +/- 1.984 (10sigma)