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22 lines
1.0 KiB
22 lines
1.0 KiB
<sect2 id="calc-sidereal">
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<title>Sidereal Time module</title>
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<indexterm><primary>Tools</primary>
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<secondary>Astrocalculator</secondary>
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<tertiary>Sidereal Time module</tertiary>
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</indexterm>
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<screenshot>
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<screeninfo>The Sidereal Time calculator module </screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="calc-sidereal.png" format="PNG"/>
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</imageobject>
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<textobject>
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<phrase>Sidereal Time</phrase>
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</textobject>
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</mediaobject>
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</screenshot>
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<para>This module converts between <link linkend="ai-utime">Universal Time</link> and Local <link linkend="ai-sidereal">Sidereal Time</link>. First, select whether you will use Universal Time or Sidereal Time as an input value in the <guilabel>Input Selection</guilabel> section. You must also specify a geographic longitude, and a date for the calculation, in addition to either the Universal Time or the Sidereal Time value. When you press the <guibutton>Compute</guibutton> button, the corresponding value for the other Time will be displayed. </para>
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</sect2>
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