2005/02/03 | 当地时间[Local Time]
类别(¤〖天文〗) | 评论(0) | 阅读(23) | 发表于 17:17
local mean solar time: UT+east longitude
local mean sidereal time: Greenwich mean sidereal time+east longitude
local apparent sidereal time: local mean sidereal time+equation of equinoxes: [local apparent sidereal time]-[apparent right ascension]
local hour angle: [local apparent sidereal time]-[apparent right ascension] = [local mean sidereal time]-([apparent right ascension]-[equation of equinoxes]).
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