FRB20180814A-20221229-S001-R001-R-232050.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-29 14:20:52 16.390 +/- 0.738 (3sigma) 15.890 +/- 0.739 (5sigma) 15.212 +/- 0.741 (10sigma)