Time Range      Source Name   Position
-----------------  ------------  --------
16:07:09 18:15:48  AR 639        N14W33
18:38:28 19:47:43  AR 639        N14W33
20:14:28 23:03:46  AR 639        N14W33
23:27:38 23:50:43  AR 639        N13W33