BL_Lacertae-20201217-S001-R001-B-173634.fts

No WCS

BL_Lacertae-20201217-S001-R001-I-173245.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-12-17 08:32:47 14.44 0.007

BL_Lacertae-20201217-S001-R001-R-173402.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-12-17 08:34:03 12.71 0.016

BL_Lacertae-20201217-S001-R001-V-173518.fts