Cyg_OB2m4_B-20200830-S001-R001-B-232425.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-08-30 14:24:26 0.007

Cyg_OB2m4_B-20200830-S001-R001-I-232032.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-08-30 14:20:33 0.001

Cyg_OB2m4_B-20200830-S001-R001-R-232149.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-08-30 14:21:50 0.002

Cyg_OB2m4_B-20200830-S001-R001-V-232309.fts