Copyright       	notice of ownership, permissions and limitations.
Manifest        	this file.
README          	introduction
INSTALL			how to build and install xephem
XEphem.ad       	X defaults file for color (xephem.c fallbacks are mono)

auxil/README		info about the role of the auxil directory
auxil/xephem.hlp      	help text file.
auxil/xephem_sites    	sample Earth display sites file.

edb/README		info about the sample database files
edb/asteroids.edb	sample asteroids database.
edb/basic.edb		basic set of objects: YBS and Messier.
edb/comets.edb		sample comet database.
edb/comets2.edb		comets from http://encke.jpl.nasa.gov
edb/ngc.edb		NGC database (sans basic.edb).
edb/sac.edb		SAC database (sans basic.edb).
edb/shuttle.edb		sample shuttle orbital elements.
edb/spacecraft.edb	orbital elements of several spacecraft.

fifos/README		info about the role of the fifos directory

tools/README		info about the miscellaneous tools provided.
tools/encke2edb.nawk	convert stuff on http://encke.jpl.nasa.gov to xephem.
tools/jost2edb.nawk	convert typical posting from Jost Jahn to xephem form.
tools/nasa2edb.awk	convert NASA "2-line" satellite data to xephem form.

work/README		info about the role of the work directory
work/ephem.plt       	sample plot file (an analemma).

Imakefile		sample Imakefile for xmkmf.
Makefile.smple		sample simple make file.
aa_hadec.c		convert between alt/az and hour angle/dec.
anomaly.c		compute anomaly.
astro.h			unit conversion macros and planet defines.
cal_mjd.c		converters to and from modified julian date.
calmenu.c		control the calendar on the main menu.
circum.c		main "astronomy" entry point
circum.h		defines Now and Sky structures.
comet.c			compute comet position from elements.
compiler.c		compile and execute arithmetic expressions.
constel.c		handles determing and printing constellation info.
datamenu.c		manage the general data menu.
db.c			read and process the database files, and in-memory db.
dbmenu.c		manage the database menu.
earthmap.c		coordinates for the simple earth map.
earthmenu.c		manage the sunlit earth menu.
earthsat.c		compute earth satellite info.
eq_ecl.c		convert between equitorial and eclipitic coords.
formats.c		basic date, time, prompts, etc formats.
helpmenu.c		manage the help menu and supporting text file.
jupmenu.c		manage the jupiter moon map menu.
libration.c		compute	Lunar libration in lat and long.
listmenu.c		manage the listing control menu.
mainmenu.c		manage the main menu.
map.h			typedefs useful for maps consisting of sets of lines.
marsmap.c		coordincates for the simple mars map.
marsmenu.c		manage the mars central meridian longitude menu.
misc.c			everyone needs one of these!
moon.c			compute moon position.
moonmenu.c		manage the moon display menu.
moonnf.c		compute new and full moon dates.
msgmenu.c		manage the message alert mechanism.
nutation.c		compute nutation correction.
objmenu.c		manage the objx/y menu.
obliq.c			compute obliquity.
parallax.c		functions to compute earth rim parallax correction.
patchlevel.h		defines PATCHLEVEL which establishes release level.
pelement.c		basic planet position polynomial coefficients.
plans.c			polynomials to find planet location at any certain time.
plot_aux.c		manage the plotting menu and read supporting files.
plotmenu.c		manage the plot control menu and write supporting files.
precess.c		compute precession correction.
preferences.c		code to maintain user preference settings.
preferences.h		header file for use by modules using preferences.
query.c			general purpose menu query tool.
reduce.c		convert elliptical elements from one epoch to another.
refract.c		atmospheric refraction model.
riset.c			find basic rise/set sideral times of a fixed object.
riset_cir.c		iteratively solve for rise/set times of moving objects.
satmenu.c		manage the Saturn menu.
sex_dec.c		convert between sexagesimal and decimal notation.
skyfiltmenu.c		manage the sky view type filter menu.
skyviewmenu.c		manage the circular sky view menu.
smallfm.xbm		small moon bitmap.
solsysmenu.c		manage the solar system menu.
srchmenu.c		manage the search control menu.
sun.c			compute location of sun at any time.
time.c			manage setting and getting the time from the os
utc_gst.c		convert between UT1 and Greenwich sidereal time
versionmenu.c		current version notice, and revision history comments.
xephem.c		main() and misc minor support utility functions.

xephem.man     	 	manual page, written for the nroff -man macros.
