3C_345-20210503-S001-R001-B-022149.fts

No WCS

3C_345-20210503-S001-R001-I-022546.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-05-03 17:25:47 15.315 +/- 3.668 (3sigma) 14.635 +/- 3.677 (5sigma) 13.712 +/- 3.696 (10sigma)

3C_345-20210503-S001-R001-R-022430.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2021-05-03 17:24:31 16.083 +/- 2.722 (3sigma) 15.439 +/- 2.728 (5sigma) 14.566 +/- 2.739 (10sigma)

3C_345-20210503-S001-R001-V-022305.fts

Only less than 50 stars was detected