예제 #1
0
 /// <summary>
 /// Get the right ascension 'α'
 /// </summary>
 /// <param name="eclipticLatitude"></param>
 /// <param name="eclipticLongitude"></param>
 /// <param name="angle"></param>
 /// <returns></returns>
 public static double GetRightAscension(double eclipticLatitude, double eclipticLongitude, double angle)
 {
     return(DegreeHelper.RadiansToDegrees(Math.Atan2(
                                              (MathDegrees.Sin(eclipticLongitude) * MathDegrees.Cos(angle)) -
                                              (MathDegrees.Tan(eclipticLatitude) * MathDegrees.Sin(angle)),
                                              MathDegrees.Cos(eclipticLongitude))));
 }
예제 #2
0
 /// <summary>
 /// Get the declination δ
 /// </summary>
 /// <param name="eclipticLatitude"></param>
 /// <param name="eclipticLongitude"></param>
 /// <param name="angle"></param>
 /// <returns></returns>
 public static double GetDeclination(double eclipticLatitude, double eclipticLongitude, double angle)
 {
     return(DegreeHelper.RadiansToDegrees(Math.Asin(
                                              (MathDegrees.Sin(eclipticLatitude) * MathDegrees.Cos(angle)) +
                                              (MathDegrees.Cos(eclipticLatitude) * MathDegrees.Sin(angle) * MathDegrees.Sin(eclipticLongitude)))));
 }