SunObservationAstronomicalTwilightAltitude Field

Gets the altitude below the horizon which defines astronomical twilight (-18°).

Definition

Namespace: InnerDrive.Geography
Assembly: InnerDrive.Geography (in InnerDrive.Geography.dll) Version: 5.2.9017.0
C#
public const double AstronomicalTwilightAltitude = -18

Field Value

Double

See Also