OG_050-20210418-S001-R001-B-194005.fts

No WCS

OG_050-20210418-S001-R001-I-194415.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-04-18 10:44:16 14.557 +/- 3.073 (3sigma) 13.965 +/- 3.079 (5sigma) 13.161 +/- 3.092 (10sigma)

OG_050-20210418-S001-R001-R-194300.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-04-18 10:43:01 14.604 +/- 2.511 (3sigma) 14.045 +/- 2.516 (5sigma) 13.287 +/- 2.526 (10sigma)

OG_050-20210418-S001-R001-V-194130.fts

Only less than 50 stars was detected