Cyg_OB2m4_B-20210119-S001-R001-B-182235.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-19 09:22:37 12.08 0.012

Cyg_OB2m4_B-20210119-S001-R001-I-181847.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-19 09:18:49 10.33 0.002

Cyg_OB2m4_B-20210119-S001-R001-R-182004.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-19 09:20:05 9.890 0.005

Cyg_OB2m4_B-20210119-S001-R001-V-182120.fts