3C446-20190105-S001-R001-B-190023.fts
Only less than 50 stars was detected


3C446-20190105-S001-R001-I-190410.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2019-01-05 10:04:11
15.039 +/- 1.388 (3sigma)
14.431 +/- 1.391 (5sigma)
13.605 +/- 1.397 (10sigma)


3C446-20190105-S001-R001-R-190256.fts
Only less than 50 stars was detected


3C446-20190105-S001-R001-V-190141.fts
Only less than 50 stars was detected