OJ_287-20210222-S001-R001-B-223301.fts

Only less than 50 stars was detected

OJ_287-20210222-S001-R001-I-223651.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-02-22 13:36:53 16.43 0.043

OJ_287-20210222-S001-R001-R-223536.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-02-22 13:35:37 14.74 0.057

OJ_287-20210222-S001-R001-V-223419.fts