Cyg_OB2m4_B-20201204-S001-R001-B-200719.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-12-04 11:07:20 12.84 0.009

Cyg_OB2m4_B-20201204-S001-R001-I-200322.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-12-04 11:03:24 10.57 0.001

Cyg_OB2m4_B-20201204-S001-R001-R-200442.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-12-04 11:04:43 10.22 0.002

Cyg_OB2m4_B-20201204-S001-R001-V-200600.fts