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Solving Lunar Distances
Document Type: Photo/Image
Geographic Location:
ID Number: Lunars_Diagram
Keywords: Navigation
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Description:
This diagram illustrates how the moon appears to move through the stars. It shows that there is a difference between the measured altitude of the moon and its actual altitude, due to atmospheric refraction. Locations of the moon are shown at 3 and 6 hours, to show its actual positions as given in the Nautical Almanac, and that its observed position must be interpolated between the given positions.
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