FRB20190208A-20221125-S001-R001-R-190934.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-11-25 10:09:36.939 15.970 +/- 0.941 (3sigma) 15.349 +/- 0.943 (5sigma) 14.506 +/- 0.947 (10sigma)