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NOVAS2COMRefract Method
Computes atmospheric refraction in zenith distance.

Namespace: ASCOM.Astrometry.NOVAS
Assembly: ASCOM.Astrometry (in ASCOM.Astrometry.dll) Version: 6.0.0.0 (6.2.0.2774)
Syntax
public double Refract(
	ref SiteInfo location,
	short ref_option,
	double zd_obs
)

Parameters

location
Type: ASCOM.AstrometrySiteInfo
structure containing observer's location
ref_option
Type: SystemInt16
refraction option
zd_obs
Type: SystemDouble
bserved zenith distance, in degrees.

Return Value

Type: Double
Atmospheric refraction, in degrees.
Remarks
This version computes approximate refraction for optical wavelengths.
See Also