Time Range      Source Name   Position
-----------------  ------------  --------
16:07:09 17:51:47  AR 591        S15W51
18:13:32 19:15:46  AR 591        S15W51
19:41:29 20:55:44  AR 591        S15W51
21:17:29 23:48:41  AR 591        S15W51