3C446-20181230-S001-R001-B-191451.fts
Only less than 50 stars was detected


3C446-20181230-S001-R001-I-191837.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2018-12-30 10:18:38
15.263 +/- 1.380 (3sigma)
14.596 +/- 1.383 (5sigma)
13.691 +/- 1.390 (10sigma)


3C446-20181230-S001-R001-R-191723.fts
Only less than 50 stars was detected


3C446-20181230-S001-R001-V-191609.fts
Only less than 50 stars was detected