Function: refractTrueToApparent()

function refractTrueToApparent(
   altDeg, 
   pressure?, 
   tempC?): number;

Defined in: pheno.ts:165

Saemundsson refraction, degrees. Returns the input unchanged when even the refracted altitude stays below the horizon (matches Swiss Ephemeris).

Parameters

altDeg

number

pressure?

number = 1013.25

tempC?

number = 15.0

Returns

number