OJ_49-20200402-S001-R001-B-214654.fts

Only less than 50 stars was detected

OJ_49-20200402-S001-R001-I-214301.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2020-04-02 12:43:03 0.203

OJ_49-20200402-S001-R001-R-214420.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2020-04-02 12:44:22

OJ_49-20200402-S001-R001-V-214538.fts

Only less than 50 stars was detected