AP_Lib-20210411-S001-R001-B-015023.fts

Only less than 50 stars was detected

AP_Lib-20210411-S001-R001-I-015426.fts

Only less than 50 stars was detected

AP_Lib-20210411-S001-R001-R-015311.fts

relative photometry graph from USNO-B1 catalog

Date UT magnitude mag_erorr 2021-04-11 16:53:12 15.47 0.072

AP_Lib-20210411-S001-R001-V-015155.fts