BL_Lacertae-20181223-S001-R001-B-212335.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2018-12-23 12:23:36 13.16 0.223

BL_Lacertae-20181223-S001-R001-I-211950.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2018-12-23 12:19:52 11.93 0.020

BL_Lacertae-20181223-S001-R001-R-212107.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2018-12-23 12:21:09 13.27 0.052

BL_Lacertae-20181223-S001-R001-V-212221.fts