3C446-20181221-S001-R001-B-194629.fts
Only less than 50 stars was detected


3C446-20181221-S001-R001-I-195024.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2018-12-21 10:50:25
15.272 +/- 1.159 (3sigma)
14.642 +/- 1.161 (5sigma)
13.787 +/- 1.166 (10sigma)


3C446-20181221-S001-R001-R-194908.fts
Only less than 50 stars was detected


3C446-20181221-S001-R001-V-194754.fts
Only less than 50 stars was detected