Cyg_OB2m4_B-20230102-S001-R001-B-182003.fts

No WCS

Cyg_OB2m4_B-20230102-S001-R001-I-182346.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2023-01-02 09:23:47.750 9.964 0.09935

Cyg_OB2m4_B-20230102-S001-R001-R-182233.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2023-01-02 09:22:34.950 10.45 0.00598

Cyg_OB2m4_B-20230102-S001-R001-V-182118.fts