Cyg_OB2m4_B-20201113-S001-R001-B-201819.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-11-13 11:18:20 0.018

Cyg_OB2m4_B-20201113-S001-R001-I-201425.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-11-13 11:14:26 0.004

Cyg_OB2m4_B-20201113-S001-R001-R-201543.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-11-13 11:15:45 0.003

Cyg_OB2m4_B-20201113-S001-R001-V-201701.fts