4C_31o03-20181219-S001-R001-B-222027.fts

Only less than 50 stars was detected

4C_31o03-20181219-S001-R001-I-222412.fts

No WCS

4C_31o03-20181219-S001-R001-R-222258.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2018-12-19 13:22:59 16.078 +/- 1.166 (3sigma) 15.485 +/- 1.169 (5sigma) 14.681 +/- 1.173 (10sigma)

4C_31o03-20181219-S001-R001-V-222144.fts