OJ_248-20221219-S001-R001-B-030929.fts

Only less than 50 stars was detected

OJ_248-20221219-S001-R001-I-030546.fts

No WCS

OJ_248-20221219-S001-R001-R-030658.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-19 18:07:00.050 16.885 +/- 1.342 (3sigma) 16.211 +/- 1.345 (5sigma) 15.296 +/- 1.351 (10sigma)

OJ_248-20221219-S001-R001-V-030817.fts