Thread: 14 July 2010 Crescent moon at 5.47pm
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Old 15-07-2010, 09:35 AM
astro744
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Join Date: Apr 2007
Posts: 1,244
Solar - Sun
Lunar - Moon
Sidereal - Star, based on single rotation of the Earth 1436.5 minutes.
King - Same as sidereal but takes into account refraction. Used for long exposure deep sky astro-photography.
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