2026-05-01 22:38:44 +08:00
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package mars
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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 火星视差角(天顶方向角) / Mars parallactic angle.
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2026-10-15 23:54:15 +08:00
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func (module *Mars) ParallacticAngle(date time.Time, lon, lat float64) float64 {
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return basic.ParallacticAngleByHourAngle(module.HourAngle(date, lon), module.ApparentDec(date), lat)
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2026-05-01 22:38:44 +08:00
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}
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2026-10-15 23:54:15 +08:00
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// ParallacticAngleN 火星视差角(天顶方向角)(n 变体) / n-parameterised Mars parallactic angle.
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func (module *Mars) ParallacticAngleN(date time.Time, lon, lat float64, n int) float64 {
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return basic.ParallacticAngleByHourAngle(module.HourAngleN(date, lon, n), module.ApparentDecN(date, n), lat)
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2026-05-01 22:38:44 +08:00
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}
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