Mrk_501-20191106-S001-R001-B-183046.fts

Only less than 50 stars was detected

Mrk_501-20191106-S001-R001-I-183440.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2019-11-06 09:34:41 0.017

Mrk_501-20191106-S001-R001-R-183323.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2019-11-06 09:33:25 0.034

Mrk_501-20191106-S001-R001-V-183205.fts

Only less than 50 stars was detected