public static double SunHoursToRadiations(this double sunHours, DateTime date, ILocation position)
{
int dayOfYear = Astronomy.DayOfYear(date);
double dayAngle = Astronomy.DayAngle(date);
double latitude = Astronomy.BoundedLatitude(position);
double solarDeclination = Astronomy.SolarDeclination(dayOfYear);
double daylightTimeFactor = Astronomy.DaylightTimeFactor(latitude, solarDeclination);
double solarDistanceCorrection = Astronomy.SolarDistanceCorrection(dayAngle);
double num = Astronomy.DayLength(daylightTimeFactor);
return(Math.Max(0.1, Astronomy.ExtraTerrestrialRadiation(latitude, solarDistanceCorrection, solarDeclination, daylightTimeFactor) * (0.1 + 0.24 * sunHours / num + (0.78 - 0.44 * sunHours / num) * sunHours / num)));
}