OJ_287-20201219-S001-R001-B-025033.fts

Only less than 50 stars was detected

OJ_287-20201219-S001-R001-I-025424.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-12-19 17:54:26 15.83 0.024

OJ_287-20201219-S001-R001-R-025308.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-12-19 17:53:09 14.30 0.023

OJ_287-20201219-S001-R001-V-025152.fts