Cyg_OB2m4_B-20210104-S001-R001-B-182122.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-04 09:21:24 14.49 0.020

Cyg_OB2m4_B-20210104-S001-R001-I-181733.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-04 09:17:35 10.63 0.001

Cyg_OB2m4_B-20210104-S001-R001-R-181850.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-04 09:18:52 10.07 0.002

Cyg_OB2m4_B-20210104-S001-R001-V-182006.fts