for APC houses */ n number of house * ph geographic latitude * e ecliptic obliquity * az armc */

transforms the position of the moon: * heliocentric position * barycentric position * astrometric position * apparent position * precession and n

converts planets from barycentric to geocentric, * apparent positions * precession and nutation * according to flags * ipli planet number * ifla

transforms the position of the barycentric sun: * precession and nutation * according to flags * iflag flags * serr error string */

an incomplete implementation of nutation Woolard 1953 */

The tabulated values of deltaT, in hundredths of a second, * were taken from The Astronomical Almanac 1997etc., pp. K8-K9. * Some more recent va

Stephenson & Morrison (2004) */

function calculates a fixstar from a star data struct * input: * struct fixed_star stardata fixed star data struct * double tjd julian

* This subroutine opens the file jplfname, with a phony record length, * reads the first record, and uses the info to compute ksize, * the numbe

fetch chebyshew coefficients from sweph file for * tjd time * ipli planet number * ifno file number * serr error string */