Astronomy with Your Personal Computer (2ND)

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Astronomy with Your Personal Computer (2ND)

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  • 製本 Paperback:紙装版/ペーパーバック版/ページ数 258 p.
  • 言語 ENG
  • 商品コード 9780521389952
  • DDC分類 522.85416

Full Description


The first edition of this very successful book was one winner of the Astronomical Society of the Pacific 'Astronomy Book of the Year' awards in 1986. There are a further seven subroutines in the new edition which can be linked in any combination with the existing twenty-six. Written in a portable version of BASIC, it enables the amateur astronomer to make calculations using a personal computer. The routines are not specific to any make of machine and are user friendly in that they require only a broad understanding of any particular problem. Since the programs themselves take care of details, they can be used for example to calculate the time of rising of any of the planets in any part of the world at any time in the future or past, or they may be used to find the circumstances of the next solar eclipse visible from a particular place. In fact, almost every problem likely to be encountered by the amateur astronomer can be solved by a suitable combination of the routines given in the book.

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.