b612/astro
1
1
Fork 0
Code Issues Pull Requests Projects Releases 18 Wiki Activity

change delta T formula and add planet phenomena function

Browse Source
This commit is contained in:
兔子
2022-05-16 20:42:15 +08:00
parent bb07e23238
commit 97c017be08
38 changed files with 4700 additions and 779 deletions
Download Patch File Download Diff File Expand all files Collapse all files
basic/sun.go
+6 -40
View File
@@ -838,18 +838,7 @@ func SunApparentLo(JD float64) float64 { //'太阳视黄经
}
func SunApparentRa(JD float64) float64 { // '太阳视赤经
T := (JD - 2451545) / 36525
sitas := Sita(JD) + 0.00256*Cos(125.04-1934.136*T)
SunApparentRa := ArcTan(Cos(sitas) * Sin(SunApparentLo(JD)) / Cos(SunApparentLo(JD)))
tmp := SunApparentLo(JD)
if tmp >= 90 && tmp < 180 {
SunApparentRa = 180 + SunApparentRa
} else if tmp >= 180 && tmp < 270 {
SunApparentRa = 180 + SunApparentRa
} else if tmp >= 270 && tmp <= 360 {
SunApparentRa = 360 + SunApparentRa
}
return SunApparentRa
return LoToRa(JD, SunApparentLo(JD), 0)
}
func SunTrueRa(JD float64) float64 { //'太阳真赤经
@@ -934,35 +923,11 @@ func EarthAway(JD float64) float64 {
}
func HSunApparentRaDec(JD float64) (float64, float64) {
T := (JD - 2451545) / 36525
sitas := Sita(JD) + 0.00256*Cos(125.04-1934.136*T)
sitas2 := EclipticObliquity(JD, false) + 0.00256*Cos(125.04-1934.136*T)
tmp := HSunApparentLo(JD)
HSunApparentRa := ArcTan(Cos(sitas) * Sin(tmp) / Cos(tmp))
HSunApparentDec := ArcSin(Sin(sitas2) * Sin(tmp))
if tmp >= 90 && tmp < 180 {
HSunApparentRa = 180 + HSunApparentRa
} else if tmp >= 180 && tmp < 270 {
HSunApparentRa = 180 + HSunApparentRa
} else if tmp >= 270 && tmp <= 360 {
HSunApparentRa = 360 + HSunApparentRa
}
return HSunApparentRa, HSunApparentDec
return LoBoToRaDec(JD, HSunApparentLo(JD), HSunTrueBo(JD))
}
func HSunApparentRa(JD float64) float64 { // '太阳视赤经
T := (JD - 2451545) / 36525
sitas := Sita(JD) + 0.00256*Cos(125.04-1934.136*T)
tmp := HSunApparentLo(JD)
HSunApparentRa := ArcTan(Cos(sitas) * Sin(tmp) / Cos(tmp))
if tmp >= 90 && tmp < 180 {
HSunApparentRa = 180 + HSunApparentRa
} else if tmp >= 180 && tmp < 270 {
HSunApparentRa = 180 + HSunApparentRa
} else if tmp >= 270 && tmp <= 360 {
HSunApparentRa = 360 + HSunApparentRa
}
return HSunApparentRa
return LoToRa(JD, HSunApparentLo(JD), HSunTrueBo(JD))
}
func HSunTrueRa(JD float64) float64 { //'太阳真赤经
@@ -1030,10 +995,10 @@ func GetOneYearMoon(year float64) map[int]float64 {
}
return moon
}
func GetOneYearJQ(year int) map[int]float64 {
func GetOneYearJQ(year int) []float64 {
start := 270
var years int
jq := make(map[int]float64)
jq := make([]float64, 26)
for i := 1; i < 26; i++ {
angle := start + 15*(i-1)
if angle > 360 {
@@ -1047,6 +1012,7 @@ func GetOneYearJQ(year int) map[int]float64 {
jq[i] = GetJQTime(years, angle) + 8.0/24.0
// echo DateCalc(jq[i])."<br />";
}
jq[0] = jq[1]
return jq
}