15 lines
425 B
Go
15 lines
425 B
Go
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package moon
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import (
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"time"
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"b612.me/astro/basic"
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)
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// ParallacticAngle 月亮视差角（天顶方向角） / lunar parallactic angle.
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//
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// 对月亮使用现有站心视时角和站心视赤纬链路，因此会显式依赖观测者经纬度。
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func ParallacticAngle(date time.Time, lon, lat float64) float64 {
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return basic.ParallacticAngleByHourAngle(HourAngle(date, lon, lat), ApparentDec(date, lon, lat), lat)
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}
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