19 #ifndef _LN_APPARENT_POSITION_H
20 #define _LN_APPARENT_POSITION_H
22 #include <libnova/ln_types.h>
void ln_get_apparent_posn(struct ln_equ_posn *mean_position, struct ln_equ_posn *proper_motion, double JD, struct ln_equ_posn *position)
Calculate the apparent position of a star.
Definition: apparent_position.c:40
void ln_get_equ_aber(struct ln_equ_posn *mean_position, double JD, struct ln_equ_posn *position)
Calculate equatorial coordinates with the effects of aberration.
Definition: aberration.c:218
void LIBNOVA_EXPORT ln_get_equ_pm(struct ln_equ_posn *mean_position, struct ln_equ_posn *proper_motion, double JD, struct ln_equ_posn *position)
Calculate a stars equatorial position wrt proper motion (J2000).
Definition: proper_motion.c:37
void LIBNOVA_EXPORT ln_get_equ_prec(struct ln_equ_posn *mean_position, double JD, struct ln_equ_posn *position)
Calculate the effects of precession on equatorial coordinates, convert current to J2000.
Definition: precession.c:64
Equatorial Coordinates.
Definition: ln_types.h:171