OJ_248-20190125-S001-R001-B-005112.fts

Only less than 50 stars was detected

OJ_248-20190125-S001-R001-I-004728.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2019-01-25 15:47:29 15.731 +/- 1.126 (3sigma) 15.059 +/- 1.129 (5sigma) 14.146 +/- 1.134 (10sigma)

OJ_248-20190125-S001-R001-R-004842.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2019-01-25 15:48:44 16.419 +/- 0.950 (3sigma) 15.797 +/- 0.952 (5sigma) 14.953 +/- 0.955 (10sigma)

OJ_248-20190125-S001-R001-V-004956.fts