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+<sect2 id="calc-eqgal">
+<title>Equatorial/Galactic Coordinates module</title>
+<indexterm><primary>Tools</primary>
+<secondary>Astrocalculator</secondary>
+<tertiary>Equatorial/Galactic Coordinates module</tertiary>
+</indexterm>
+
+<screenshot>
+<screeninfo>
+The Equatorial/Galactic Coordinates calculator module
+</screeninfo>
+<mediaobject>
+  <imageobject>
+    <imagedata fileref="calc-eqgal.png" format="PNG"/>
+  </imageobject>
+  <textobject>
+    <phrase>Equatorial/Galactic Coordinates</phrase>
+  </textobject>
+</mediaobject>
+</screenshot>
+
+<para>
+This module converts from <link linkend="equatorial">Equatorial 
+coordinates</link> to <link linkend="galactic">Galactic 
+coordinates</link>, and vice versa.  First, select which coordinates 
+should be taken as input values in the <guilabel>Input 
+Selection</guilabel> section.  Then, fill in the corresponding 
+coordinate values in either the <guilabel>Galactic 
+coordinates</guilabel> or <guilabel>Equatorial coordinates</guilabel>
+section.  Finally, press the <guibutton>Compute</guibutton> button,
+and the complementary coordinates will be filled in.
+</para>
+</sect2>
+