B2_0619p33-20210426-S001-R001-B-201925.fts

Only less than 50 stars was detected

B2_0619p33-20210426-S001-R001-I-202317.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-04-26 11:23:18 14.654 +/- 1.519 (3sigma) 14.105 +/- 1.522 (5sigma) 13.361 +/- 1.528 (10sigma)

B2_0619p33-20210426-S001-R001-R-202201.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-04-26 11:22:02 14.796 +/- 1.615 (3sigma) 14.243 +/- 1.618 (5sigma) 13.493 +/- 1.624 (10sigma)

B2_0619p33-20210426-S001-R001-V-202044.fts