Cyg_OB2m4_B-20181224-S001-R001-B-200739.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2018-12-24 11:07:41 11.13 0.012

Cyg_OB2m4_B-20181224-S001-R001-I-200355.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2018-12-24 11:03:56 10.06 0.002

Cyg_OB2m4_B-20181224-S001-R001-R-200511.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2018-12-24 11:05:12 10.76 0.003

Cyg_OB2m4_B-20181224-S001-R001-V-200625.fts