OG_050-20210228-S001-R001-B-202914.fts

No WCS

OG_050-20210228-S001-R001-I-203313.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-02-28 11:33:15 14.573 +/- 7.665 (3sigma) 13.686 +/- 7.701 (5sigma) 12.481 +/- 7.770 (10sigma)

OG_050-20210228-S001-R001-R-203157.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-02-28 11:31:58 14.508 +/- 3.316 (3sigma) 13.881 +/- 3.324 (5sigma) 13.030 +/- 3.340 (10sigma)

OG_050-20210228-S001-R001-V-203031.fts

Only less than 50 stars was detected