Mrk_501-20191112-S001-R001-B-181200.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2019-11-12 09:12:03 0.038

Mrk_501-20191112-S001-R001-I-181555.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2019-11-12 09:15:56 0.015

Mrk_501-20191112-S001-R001-R-181438.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2019-11-12 09:14:39 0.026

Mrk_501-20191112-S001-R001-V-181320.fts

Only less than 50 stars was detected