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Subject: Re: [Nml] Index error check & Question
WSMurdoch@XXX.XXX
Date: Sat Dec 12 1998 - 16:47:51 EST
In a message dated 12/12/98 2:01:27 PM EST, rick@XXX.XXX writes:
<< The question, then, is where is the extra 1.5' or 2.0' coming from and why
does it vary from one instrument to the other? >>
Are you perhaps watching the semidiameter of the sun changing ? For instance
on August 25 the Nautical Almanac lists the sun's semidiameter as 15.8' and
today, December 12, it lists the semidiameter as 16.3'. Were both
observations taken on the same day ?
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