OJ_248-20210114-S001-R001-B-004810.fts

Only less than 50 stars was detected

OJ_248-20210114-S001-R001-I-004418.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-01-14 15:44:20 15.463 +/- 1.626 (3sigma) 14.843 +/- 1.629 (5sigma) 14.002 +/- 1.636 (10sigma)

OJ_248-20210114-S001-R001-R-004535.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-01-14 15:45:36 15.577 +/- 0.938 (3sigma) 15.135 +/- 0.939 (5sigma) 14.535 +/- 0.941 (10sigma)

OJ_248-20210114-S001-R001-V-004654.fts