19#ifndef _LN_PRECESSION_H
20#define _LN_PRECESSION_H
22#include <libnova/ln_types.h>
42void LIBNOVA_EXPORT ln_get_equ_prec (
struct ln_equ_posn * mean_position,
double JD,
struct ln_equ_posn * position);
50void LIBNOVA_EXPORT ln_get_equ_prec2 (
struct ln_equ_posn * mean_position,
double fromJD,
double toJD,
struct ln_equ_posn * position);
Equatorial Coordinates.
Definition ln_types.h:171
Ecliptical (or celestial) Longitude and Latitude.
Definition ln_types.h:201