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NOVAS3LocalStar Method
Computes the local 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 LocalStar(
	double JdTt,
	double DeltaT,
	CatEntry3 Star,
	OnSurface Position,
	Accuracy Accuracy,
	ref double Ra,
	ref double Dec
)

Parameters

JdTt
Type: SystemDouble
TT Julian date for local place. delta_t (double)
DeltaT
Type: SystemDouble
Difference TT-UT1 at 'JdTt', in seconds of time.
Star
Type: ASCOM.AstrometryCatEntry3
catalog entry structure containing catalog data for the object in the ICRS
Position
Type: ASCOM.AstrometryOnSurface
Structure specifying the position of the observer
Accuracy
Type: ASCOM.AstrometryAccuracy
Specifies accuracy level.
Ra
Type: SystemDouble
Local right ascension in hours, referred to the 'local GCRS'.
Dec
Type: SystemDouble
Local declination in degrees, referred to the 'local GCRS'.

Return Value

Type: Int16
    0 ... Everything OK
    1 ... Invalid value of 'Where' in structure 'Location'
 > 10 ... Error code from function 'MakeObject'
 > 20 ... Error code from function 'Place'.
 
Remarks