OJ_287-20210117-S001-R001-B-023216.fts

Only less than 50 stars was detected

OJ_287-20210117-S001-R001-I-023605.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-17 17:36:06 16.30 0.026

OJ_287-20210117-S001-R001-R-023449.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-01-17 17:34:51 14.69 0.028

OJ_287-20210117-S001-R001-V-023334.fts

Only less than 50 stars was detected