FRB20201124A-20221219-S001-R001-R-235325.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2022-12-19 14:53:29.690
16.396 +/- 0.635 (3sigma)
15.846 +/- 0.636 (5sigma)
15.099 +/- 0.638 (10sigma)