History

Time	Change
2017-01-06 07:10:58+00:00	Created
2017-01-06 07:10:58+00:00	Associated with 銀河座標
2017-01-06 07:12:14+00:00	Associated with 銀経
2017-01-06 07:12:14+00:00	Associated with 銀緯
2017-01-06 07:12:50+00:00	Associated with 銀座座標系