VER_J0521p211-20210310-S001-R001-B-211604.fts

No WCS

VER_J0521p211-20210310-S001-R001-I-212002.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-03-10 12:20:04 15.343 +/- 1.082 (3sigma) 14.813 +/- 1.084 (5sigma) 14.095 +/- 1.087 (10sigma)

VER_J0521p211-20210310-S001-R001-R-211845.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-03-10 12:18:46 15.165 +/- 1.966 (3sigma) 14.608 +/- 1.970 (5sigma) 13.853 +/- 1.977 (10sigma)

VER_J0521p211-20210310-S001-R001-V-211721.fts