4C_31o03-20190109-S001-R001-B-215343.fts
Only less than 50 stars was detected


4C_31o03-20190109-S001-R001-I-215729.fts
Only less than 50 stars was detected


4C_31o03-20190109-S001-R001-R-215615.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2019-01-09 12:56:16
15.389 +/- 2.755 (3sigma)
14.723 +/- 2.762 (5sigma)
13.818 +/- 2.775 (10sigma)


4C_31o03-20190109-S001-R001-V-215500.fts
Only less than 50 stars was detected