FRB20180916B-20221210-S001-R001-R-203501.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2022-12-10 11:35:03.580
16.091 +/- 0.987 (3sigma)
15.448 +/- 0.989 (5sigma)
14.575 +/- 0.993 (10sigma)