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#1
September 4th 05, 10:28 AM
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Elongation of the Moon from the Sun
In what direction is the elongation of the Moon from the Sun measured?
What is the elongation at first quarter, for example, 90 degrees or 270? I would have thought 90 degrees but I've had reason to believe recently trhat it might be 270. Michael. 
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#2
September 4th 05, 10:50 PM
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Since the Moon's orbit takes it from west to east, first quarter is 90
degrees. Saul Levy On 4 Sep 2005 02:28:52 -0700, "Michael" wrote: In what direction is the elongation of the Moon from the Sun measured? What is the elongation at first quarter, for example, 90 degrees or 270? I would have thought 90 degrees but I've had reason to believe recently trhat it might be 270. Michael.
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