VER_J0521p211-20221226-S001-R001-B-231826.fts

No WCS

VER_J0521p211-20221226-S001-R001-I-232222.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-26 14:22:23.609 15.652 +/- 0.964 (3sigma) 15.148 +/- 0.965 (5sigma) 14.464 +/- 0.968 (10sigma)

VER_J0521p211-20221226-S001-R001-R-232055.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-26 14:20:56.868 16.425 +/- 0.678 (3sigma) 15.891 +/- 0.679 (5sigma) 15.166 +/- 0.681 (10sigma)

VER_J0521p211-20221226-S001-R001-V-231943.fts

No WCS