Time Range      Source Name   Position
-----------------  ------------  --------
16:06:11 18:52:52  AR1087        N18W57
19:16:04 20:42:06  AR1087        N18W57
21:22:08 22:21:54  AR1087        N18W57
22:45:26 23:55:31  AR1087        N18W57