History

Time	Change
2017-01-05 11:48:32+00:00	Created
2017-01-05 11:48:32+00:00	Associated with 天の北極
2017-01-05 12:52:42+00:00	Associated with 天頂
2017-01-05 15:31:01+00:00	Disassociated from 天頂