SofaPas Method

Parallactic angle for two directions.

Definition

Namespace: ASCOM.Tools
Assembly: ASCOM.AstrometryTools (in ASCOM.AstrometryTools.dll) Version: 3.0.0-rc.1+86c25ce733aebb4d8b1b8a62e84770ea5e972bea

C#

public static double Pas(
	double al,
	double ap,
	double bl,
	double bp
)

VB

Public Shared Function Pas ( 
	al As Double,
	ap As Double,
	bl As Double,
	bp As Double
) As Double

Parameters

al Double: RA/longitude of first direction (radians).
ap Double: Dec/latitude of first direction (radians).
bl Double: RA/longitude of second direction (radians).
bp Double: Dec/latitude of second direction (radians).

Return Value

Double
Parallactic angle (radians).

Version Information

.NET Standard

Supported in: 2.0