PKS_0420m01-20181230-S001-R001-B-010558.fts

Only less than 50 stars was detected

PKS_0420m01-20181230-S001-R001-I-010157.fts

Only less than 50 stars was detected

PKS_0420m01-20181230-S001-R001-R-010322.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2018-12-30 16:03:24 16.605 +/- 0.777 (3sigma) 16.013 +/- 0.778 (5sigma) 15.209 +/- 0.781 (10sigma)

PKS_0420m01-20181230-S001-R001-V-010445.fts