VER_J0521p211-20221227-S001-R001-B-231508.fts

No WCS

VER_J0521p211-20221227-S001-R001-I-231909.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-27 14:19:10.980 15.793 +/- 0.814 (3sigma) 15.291 +/- 0.815 (5sigma) 14.610 +/- 0.817 (10sigma)

VER_J0521p211-20221227-S001-R001-R-231751.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-27 14:17:52.728 16.553 +/- 0.595 (3sigma) 16.044 +/- 0.595 (5sigma) 15.355 +/- 0.597 (10sigma)

VER_J0521p211-20221227-S001-R001-V-231625.fts