OJ_287-20210113-S001-R001-B-010753.fts

Only less than 50 stars was detected

OJ_287-20210113-S001-R001-I-011145.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-13 16:11:46 14.83 0.020

OJ_287-20210113-S001-R001-R-011028.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-13 16:10:29 13.93 0.021

OJ_287-20210113-S001-R001-V-010911.fts