function cuts a comma-separated fixed star data record from sefstars.txt * and fills it into a struct fixed_star. */

function formats the input search name of a star: * - remove white spaces * - traditional name to lower case (Bayer designation remains as it is) *

jpl ephemeris. * this function computes * 1. a barycentric planet position * plus, under certain conditions, * 2. the barycentric sun, * 3. the

Computes a main planet from any ephemeris or returns * it again, if it has been computed before. * In barycentric equatorial position of the J2000 e

Equation of Time * * The function returns the difference between * local apparent and local mean time in days. * E = LAT - LMT * Input variable

* x in range 0..90 * f in range -90 .. +90 * sine, cose around e=23 * oblique triangle formed by: great circle with pole height f, ecliptic and

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

if ascendant is on western half of horizon, add 180 */

* This subroutine differentiates and interpolates a * set of chebyshev coefficients to give pos, vel, acc, and jerk * calling sequence parame

| ********** state ******************** | this subroutine reads and interpolates the jpl planetary ephemeris file | calling sequence parameters:

cut the string s at any char in cutlist; put pointers to partial strings into cpos[0..n-1], return number of partial strings; if less than nmax fiel

transforms the position of the moon in a way we can use it * for calculation of osculating node and apogee: * precession and nutation (attention to