astronomy-bundle
Version:
Bundle for astronomical calculations such as position of moon, sun and planets, sunrise, sunset or solar eclipses. Most of the calculations are based on Jean Meeus 'Astronomical Algorithms' book and the VSOP87 theory.
10 lines (9 loc) • 607 B
TypeScript
export declare const STANDARD_ALTITUDE_SUN_CENTER = 0;
export declare const STANDARD_ALTITUDE_SUN_UPPER_LIMB = -0.25;
export declare const STANDARD_ALTITUDE_SUN_CENTER_REFRACTION = -0.583;
export declare const STANDARD_ALTITUDE_SUN_UPPER_LIMB_REFRACTION = -0.833;
export declare const STANDARD_ALTITUDE_SUN_CIVIL_TWILIGHT = -6;
export declare const STANDARD_ALTITUDE_SUN_NAUTICAL_TWILIGHT = -12;
export declare const STANDARD_ALTITUDE_SUN_ASTRONOMICAL_TWILIGHT = -18;
export declare const STANDARD_ALTITUDE_MOON_CENTER_REFRACTION = 0.125;
export declare const STANDARD_ALTITUDE_PLANET_REFRACTION = -0.5667;