Computes the hour angle, given the sidereal time and right ascension
Util.HourAngle12(RightAscension, [Sidereal Time])
The method syntax has these parts:
| Part | Description |
|---|---|
| RightAscension (Double) | the right ascension (hours) |
| Sidereal Time (Double) | the sidereal time (hours, default = now) |
| Return (Double) | The hour angle (sidereal time - right ascension, hours, -12 to 12) |