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Thanks Gary and Frank,

I will be using my 2006 Nautical Almanac for 2010 Sun observations
with no corrections and be within .5 MOA (good enough). For stars the
plan is to photo copy the online Nautical Almanac for
1/1/10,3/1/10,6/1/10,9/1/10 and use the star SHA and declinations plus
a 2.1 minute GHA aries correction which should get me within .5 MOA
(good enough). Looks like I'm out of luck for the Moon and Planets
though. Any ideas on how to compensate the Nautical Almanac Polaris
table ?

Greg

On Dec 7, 5:10�pm, Greg Rudzinski  wrote:
> Any opinions on using a Nautical Almanac that is four years out of
> date? I bring this up because there are old almanacs available on
> Amazon.com from $2 to $10. �New Nautical Almanacs have gotten
> expensive so my plan is to use a 2006 for the upcoming year 2010.

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