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+<sect2 id="calc-ecliptic">
+<title
+>Ecliptic Coordinates module</title>
+<indexterm
+><primary
+>Tools</primary>
+<secondary
+>Astrocalculator</secondary>
+<tertiary
+>Ecliptic Coordinates module</tertiary>
+</indexterm>
+
+<screenshot>
+<screeninfo
+>The Ecliptic Coordinates calculator module </screeninfo>
+<mediaobject>
+  <imageobject>
+    <imagedata fileref="calc-ecliptic.png" format="PNG"/>
+  </imageobject>
+  <textobject>
+    <phrase
+>Ecliptic Coordinates</phrase>
+  </textobject>
+</mediaobject>
+</screenshot>
+
+<para
+>This module converts between <link linkend="equatorial"
+>Equatorial coordinates</link
+> and <link linkend="ecliptic"
+>Ecliptic coordinates</link
+>. First, select which coordinates should be taken as input values in the <guilabel
+>Choose Input Coordinates</guilabel
+> section. Then, fill in the corresponding coordinate values in either the <guilabel
+>Ecliptic coordinates</guilabel
+> or <guilabel
+>Equatorial coordinates</guilabel
+> section. Finally, press the <guibutton
+>Compute</guibutton
+> button, and the complementary coordinates will be filled in. </para>
+<para
+>The module contains a batch mode for converting several coordinate pairs at once. You must construct an input file in which each line contains two values: the input coordinate pairs (either Equatorial or Ecliptic). Then specify which coordinates you are using as input, and identify the input and output filenames. Finally, press the <guibutton
+>Run</guibutton
+> button to generate the output file, which will contain the converted coordinates (Equatorial or Ecliptic; the complement of what you chose as the input values). </para>
+</sect2>