OJ_287-20201223-S001-R001-B-023446.fts

Only less than 50 stars was detected

OJ_287-20201223-S001-R001-I-023837.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-12-23 17:38:39 15.95 0.038

OJ_287-20201223-S001-R001-R-023721.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-12-23 17:37:22 14.37 0.026

OJ_287-20201223-S001-R001-V-023606.fts