Time Range      Source Name   Position
-----------------  ------------  --------
16:07:08 18:15:47  AR 639        N13E08
18:38:22 19:47:46  AR 639        N14E07
20:14:20 23:03:46  AR 639        N14E07
23:27:45 23:50:42  AR 639        N14E07