OJ_287-20210115-S001-R001-B-023324.fts

Only less than 50 stars was detected

OJ_287-20210115-S001-R001-I-023713.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-15 17:37:15 16.42 0.033

OJ_287-20210115-S001-R001-R-023558.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-15 17:35:59 14.76 0.044

OJ_287-20210115-S001-R001-V-023443.fts

Only less than 50 stars was detected