OJ_287-20210118-S001-R001-B-004751.fts

Only less than 50 stars was detected

OJ_287-20210118-S001-R001-I-005142.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-18 15:51:44 15.96 0.033

OJ_287-20210118-S001-R001-R-005026.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-18 15:50:27 14.38 0.042

OJ_287-20210118-S001-R001-V-004909.fts