OJ_248-20230101-S001-R001-B-014711.fts

Only less than 50 stars was detected

OJ_248-20230101-S001-R001-I-014332.fts

No WCS

OJ_248-20230101-S001-R001-R-014445.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2023-01-01 16:44:47.039 16.987 +/- 1.241 (3sigma) 16.324 +/- 1.244 (5sigma) 15.424 +/- 1.249 (10sigma)

OJ_248-20230101-S001-R001-V-014558.fts