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 <sect2 id="calc-planetcoords">
 <title>Planet Coordinates module</title>
 <indexterm><primary>Tools</primary>
 <secondary>Astrocalculator</secondary>
 <tertiary>Planet Coordinates module</tertiary>
 </indexterm>
 
 <screenshot>
 <screeninfo>
 The Planet Coordinates calculator module
 </screeninfo>
 <mediaobject>
   <imageobject>
     <imagedata fileref="calc-planetcoords.png" format="PNG"/>
   </imageobject>
   <textobject>
     <phrase>Planet Coordinates</phrase>
   </textobject>
 </mediaobject>
 </screenshot>
 
 <para>
 The Planet Coordinates module computes positional data for
 any major solar system body, for any time and date and any
 geographic location.  Simply select from the <guilabel>Solar
 system body:</guilabel> drop-down list, and specify
 the desired date, time, and geographic coordinates (these
 values are preset to the current &kstars; settings).  Then
 the <link linkend="equatorial">Equatorial</link>, <link
 linkend="horizontal">Horizontal</link>, and <link
 linkend="ecliptic">Ecliptic</link> coordinates of the body are computed and displayed.
 </para>
 <para>
 There is a batch mode for this module.  You must construct
 an input file in which each line specifies values for the
 input parameters (solar system body, date, time, longitude,
 and latitude).  You may choose to specify a constant value
 for some of the parameters in the calculator window (these
 parameters should be skipped in the input file).  You may
 also specify which of the output parameters (Equatorial,
 Horizontal, Heliocentric ecliptic and Geocentric ecliptic coordinates) should be calculated.
 Finally, specify the input and output filenames, and press
 the <guibutton>Run</guibutton> button to generate the output
 file with the computed values.
 </para>
 </sect2>