Astronomy with your Personal Computer / Edition 2

Astronomy with your Personal Computer / Edition 2

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by Peter Duffett-Smith
     
 

Written in a portable version of BASIC, these subroutines enable the amateur astronomer to make calculations using a personal computer. The routines are not specific to any make of machine and can accordingly be mixed and matched. This edition adds seven subroutines to the original twenty-six. See more details below

Overview

Written in a portable version of BASIC, these subroutines enable the amateur astronomer to make calculations using a personal computer. The routines are not specific to any make of machine and can accordingly be mixed and matched. This edition adds seven subroutines to the original twenty-six.

Product Details

ISBN-13:
9780521389952
Publisher:
Cambridge University Press
Publication date:
02/28/2003
Edition description:
Revised
Pages:
272
Product dimensions:
7.44(w) x 9.69(h) x 0.59(d)

Table of Contents

Preface; Using your personal computer for astronomy; Default value input routine; 'Y' or 'N' input routine MINSEC converts between decimal hours/degrees and min/sec form; JULDAY calendar date to Julian day number since 1900 Jan. 0.5; CALDAY Julian day number since 1900 Jan. 0.5 to calendar date; TIME converts between local civil and sidereal times; EQHOR converts between equatorial and horizon coordinates; HRANG converts between right ascension and hour-angle; OBLIQ calculates the value of the obliquity of the ecliptic; NUTAT finds corrections for nutation in longitude and obliquity; EQECL converts between equatorial and ecliptic coordinates; EQGAL converts between equatorial and galactic coordinates; GENCON converts between any of the coordinate systems; PRCESS1 approximate precession of equatorial coordinates; PRCESS2 rigorous precession of equatorial coordinates; PARALLX converts between geocentric and apparent position; REFRACT calculates the effect of atmospheric refraction; RISET finds the circumstances of rising and setting; ANOMALY solves Kepler's equation for elliptical motion; SUN finds the ecliptic coordinates of the Sun; SUNRS finds the circumstances of sunrise and sunset; PELMENT returns the orbital elements of the major planets; PLANS finds the position of a planet; MOON finds the position and parallax of the Moon; MOONRS finds the circumstances of moonrise and moonset; MOONNF finds the times of new and full moon; ECLIPSE finds the circumstances of lunar and solar eclipses; Displays an eclipse in graphical form; ELOSC finds positions from osculating elliptical elements; RELEM converts ecliptic orbital elements from one epoch to another; PCOMET finds the position of a comet from parabolic elements; PFIT finds parabolic elements from observations; EFIT finds elliptical elements from observations; List of variables; Bibliography; Index.

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