FRB20180814A-20221214-S001-R001-R-225025.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2022-12-14 13:50:27.390
16.483 +/- 0.847 (3sigma)
15.946 +/- 0.848 (5sigma)
15.217 +/- 0.850 (10sigma)