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From: Alexandre Eremenko (no email)
Date: Sat Nov 13 2004 - 22:25:54 EST
Fred,
Thanks.
Unfortunately elevation does not explain my results.
(I always check barometric pressure and temperature
from an Internet weather station.
In my range of temperatures and pressures,
when I observe, the maximal additional refraction
correction is 0.1, or less).
Alex.
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