FRB121102-20221222-S001-R001-R-234003.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-22 14:40:05.168 16.622 +/- 0.506 (3sigma) 16.034 +/- 0.507 (5sigma) 15.237 +/- 0.509 (10sigma)