VER_J0521p211-20230103-S001-R001-B-224447.fts

No WCS

VER_J0521p211-20230103-S001-R001-I-224835.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2023-01-03 13:48:36.950 14.844 +/- 2.518 (3sigma) 14.311 +/- 2.522 (5sigma) 13.588 +/- 2.531 (10sigma)

VER_J0521p211-20230103-S001-R001-R-224723.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2023-01-03 13:47:24.440 15.701 +/- 1.449 (3sigma) 15.116 +/- 1.452 (5sigma) 14.322 +/- 1.457 (10sigma)

VER_J0521p211-20230103-S001-R001-V-224610.fts