FRB20201124A-20230102-S001-R001-R-225349.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2023-01-02 13:53:52.770 15.142 +/- 1.528 (3sigma) 14.574 +/- 1.531 (5sigma) 13.804 +/- 1.537 (10sigma)