OJ_248-20181226-S001-R001-B-051022.fts

Only less than 50 stars was detected

OJ_248-20181226-S001-R001-I-050636.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2018-12-26 20:06:38 16.105 +/- 0.967 (3sigma) 15.425 +/- 0.969 (5sigma) 14.503 +/- 0.974 (10sigma)

OJ_248-20181226-S001-R001-R-050751.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2018-12-26 20:07:53 16.556 +/- 0.901 (3sigma) 15.930 +/- 0.903 (5sigma) 15.082 +/- 0.906 (10sigma)

OJ_248-20181226-S001-R001-V-050906.fts