B2_1520p31-20200402-S001-R001-B-022837.fts
Only less than 50 stars was detected


B2_1520p31-20200402-S001-R001-I-023231.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2020-04-02 17:32:33





B2_1520p31-20200402-S001-R001-R-023114.fts
upper limit SN vs magnitude graph from USNO-B1 catalog
UT upper limit
2020-04-02 17:31:16





B2_1520p31-20200402-S001-R001-V-022957.fts
Only less than 50 stars was detected