VER_J0521p211-20221228-S001-R001-B-231545.fts

No WCS

VER_J0521p211-20221228-S001-R001-I-231947.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-28 14:19:48.240 15.089 +/- 1.568 (3sigma) 14.598 +/- 1.570 (5sigma) 13.932 +/- 1.574 (10sigma)

VER_J0521p211-20221228-S001-R001-R-231828.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-28 14:18:29.559 16.358 +/- 0.666 (3sigma) 15.851 +/- 0.666 (5sigma) 15.164 +/- 0.668 (10sigma)

VER_J0521p211-20221228-S001-R001-V-231702.fts