History

Time	Change
2016-03-10 13:02:15+00:00	Created
2016-03-10 13:02:15+00:00	Associated with 徐家汇观象台
2016-03-10 13:03:14+00:00	Associated with 徐家匯観像台
2016-03-10 13:05:45+00:00	Associated with 徐家汇天文台
2016-05-14 05:40:58+00:00	Associated with 徐家匯天文臺
2016-05-14 05:42:01+00:00	Associated with 徐家匯観象台
2016-12-09 14:35:07+00:00	Associated with Zikawei Observatory