BL_Lacertae-20210110-S001-R001-B-184148.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-10 09:41:49 14.90 0.022

BL_Lacertae-20210110-S001-R001-I-183755.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-10 09:37:56 12.96 0.005

BL_Lacertae-20210110-S001-R001-R-183914.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-10 09:39:15 12.45 0.007

BL_Lacertae-20210110-S001-R001-V-184031.fts