FRB20201124A-20221228-S001-R001-R-232229.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-28 14:22:32.859 16.201 +/- 0.773 (3sigma) 15.630 +/- 0.774 (5sigma) 14.855 +/- 0.777 (10sigma)