NovasVector2RaDec Method

public static short Vector2RaDec(
	double[] Pos,
	ref double Ra,
	ref double Dec
)

Public Shared Function Vector2RaDec ( 
	Pos As Double(),
	ByRef Ra As Double,
	ByRef Dec As Double
) As Short

Parameters

Pos  Double

Position vector, equatorial rectangular coordinates.

Ra  Double

Right ascension in hours.

Dec  Double

Declination in degrees.

Return Value

            = 0 ... Everything OK.
            = 1 ... All vector components are zero; 'Ra' and 'Dec' are indeterminate.
            = 2 ... Both Pos[0] and Pos[1] are zero, but Pos[2] is nonzero; 'Ra' is indeterminate.
            

Reference