S52007p77-20201122-S001-R001-B-210232.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2020-11-22 12:02:36

S52007p77-20201122-S001-R001-I-210626.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2020-11-22 12:06:27

S52007p77-20201122-S001-R001-R-210509.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2020-11-22 12:05:11

S52007p77-20201122-S001-R001-V-210351.fts

Only less than 50 stars was detected