OJ_248-20201226-S001-R001-B-020630.fts

Only less than 50 stars was detected

OJ_248-20201226-S001-R001-I-020243.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2020-12-26 17:02:44 15.855 +/- 1.843 (3sigma) 15.155 +/- 1.848 (5sigma) 14.206 +/- 1.857 (10sigma)

OJ_248-20201226-S001-R001-R-020359.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2020-12-26 17:04:00 16.327 +/- 1.384 (3sigma) 15.701 +/- 1.387 (5sigma) 14.851 +/- 1.392 (10sigma)

OJ_248-20201226-S001-R001-V-020515.fts