Time Range      Source Name   Position
-----------------  ------------  --------
16:07:09 18:15:48  AR 639        N14W19
18:38:26 19:47:49  AR 639        N14W19
20:14:25 23:03:43  AR 639        N14W19
23:27:40 23:50:45  AR 639        N14W19