4C_31o03-20181218-S001-R001-B-235554.fts

Only less than 50 stars was detected

4C_31o03-20181218-S001-R001-I-235939.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2018-12-18 14:59:40 15.97 0.209

4C_31o03-20181218-S001-R001-R-235824.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2018-12-18 14:58:26 16.110 +/- 1.166 (3sigma) 15.552 +/- 1.168 (5sigma) 14.795 +/- 1.172 (10sigma)

4C_31o03-20181218-S001-R001-V-235710.fts