Mrk_501-20210421-S001-R001-B-024035.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-04-21 17:40:36 13.12 0.017

Mrk_501-20210421-S001-R001-I-024430.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-04-21 17:44:31 14.16 0.013

Mrk_501-20210421-S001-R001-R-024315.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-04-21 17:43:16 13.53 0.012

Mrk_501-20210421-S001-R001-V-024159.fts