OJ_248-20210104-S001-R001-B-012735.fts

Only less than 50 stars was detected

OJ_248-20210104-S001-R001-I-012346.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-01-04 16:23:47 16.004 +/- 1.408 (3sigma) 15.371 +/- 1.411 (5sigma) 14.512 +/- 1.417 (10sigma)

OJ_248-20210104-S001-R001-R-012502.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-01-04 16:25:03 16.642 +/- 1.219 (3sigma) 16.012 +/- 1.221 (5sigma) 15.157 +/- 1.226 (10sigma)

OJ_248-20210104-S001-R001-V-012619.fts