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NOVAS3AstroStar Method
Computes the astrometric place of a star at date 'JdTt', given its catalog mean place, proper motion, parallax, and radial velocity.

Namespace: ASCOM.Astrometry.NOVAS
Assembly: ASCOM.Astrometry (in ASCOM.Astrometry.dll) Version: 6.0.0.0 (6.2.0.2774)
Syntax
public short AstroStar(
	double JdTt,
	CatEntry3 Star,
	Accuracy Accuracy,
	ref double Ra,
	ref double Dec
)

Parameters

JdTt
Type: SystemDouble
TT Julian date for astrometric place.
Star
Type: ASCOM.AstrometryCatEntry3
Catalog entry structure containing catalog data for the object in the ICRS
Accuracy
Type: ASCOM.AstrometryAccuracy
Code specifying the relative accuracy of the output position.
Ra
Type: SystemDouble
Astrometric right ascension in hours (referred to the ICRS, without light deflection or aberration).
Dec
Type: SystemDouble
Astrometric declination in degrees (referred to the ICRS, without light deflection or aberration).

Return Value

Type: Int16
    0 ... Everything OK
 > 10 ... Error code from function 'MakeObject'
 > 20 ... Error code from function 'Place'.
 
Remarks