BL_Lacertae-20210103-S001-R001-B-174720.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-03 08:47:21 14.85 0.043

BL_Lacertae-20210103-S001-R001-I-174331.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-03 08:43:32 13.33 0.006

BL_Lacertae-20210103-S001-R001-R-174448.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-03 08:44:49 12.78 0.014

BL_Lacertae-20210103-S001-R001-V-174604.fts