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astro/saturn/parallactic.go
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package saturn
import (
"time"
"b612.me/astro/basic"
)
// ParallacticAngle 土星视差角(天顶方向角) / Saturn parallactic angle.
func (module *Saturn) ParallacticAngle(date time.Time, lon, lat float64) float64 {
return basic.ParallacticAngleByHourAngle(module.HourAngle(date, lon), module.ApparentDec(date), lat)
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}
// ParallacticAngleN 土星视差角(天顶方向角)(n 变体) / n-parameterised Saturn parallactic angle.
func (module *Saturn) ParallacticAngleN(date time.Time, lon, lat float64, n int) float64 {
return basic.ParallacticAngleByHourAngle(module.HourAngleN(date, lon, n), module.ApparentDecN(date, n), lat)
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}