3C446-20210103-S001-R001-B-180508.fts
Only less than 50 stars was detected


3C446-20210103-S001-R001-I-180907.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2021-01-03 09:09:08
14.867 +/- 2.152 (3sigma)
14.275 +/- 2.156 (5sigma)
13.472 +/- 2.165 (10sigma)


3C446-20210103-S001-R001-R-180751.fts
Only less than 50 stars was detected


3C446-20210103-S001-R001-V-180635.fts
Only less than 50 stars was detected