Thread: Atmospheric transparency: how far can you see to the horizon from a mountain peak?
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Old 12-February-2008, 11:05 AM
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Which 208 figure?

Close to the surface of the earth the refraction by the atmosphere is important. The King tracking rate for telescopes is for correcting for the apparent movement of objects as they move from near the horizon. You can effectively see around the surface of the earth.
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