PKS_0420m01-20181223-S001-R001-B-002030.fts
Only less than 50 stars was detected


PKS_0420m01-20181223-S001-R001-I-001635.fts
Only less than 50 stars was detected


PKS_0420m01-20181223-S001-R001-R-001758.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2018-12-23 15:18:00
15.833 +/- 1.270 (3sigma)
15.210 +/- 1.272 (5sigma)
14.364 +/- 1.278 (10sigma)


PKS_0420m01-20181223-S001-R001-V-001914.fts
Only less than 50 stars was detected