FRB121102-20221210-S001-R001-R-003607.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-10 15:36:09.189 15.452 +/- 1.346 (3sigma) 14.772 +/- 1.350 (5sigma) 13.849 +/- 1.357 (10sigma)