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On 4/10/2012 8:38 PM, Alexandre E Eremenko wrote:
> Bill,
>
> The answer to your first question is simple:

Thank you Alex.  Constantly trying to shrink my enormous sphere of
ignorance.

If I recall, lunars were part of the contest to find longitude at sea.
If so, that would have been pre almanac as well.

I admit my few attempts as lunars have used Frank's online calculator,
so hardly a lunars maven. Correction--dumb as a box of rocks on the
subject--haven't read Stark. (At 315 pages I need to finish up on my
folks estate and get their house on the market before I tackle a new
distraction.)

It strikes me I am placing the moon and another body on a great circle,
and determining time by their distance apart. To do so I need the GP of
the moon and the other body. Yes?

Was it pretty much a case of--we know how to derive the information, but
no sense calling in the typesetter and starting up the printing press
yet? Not likely to hit the New York Times best seller non-fiction list.
We'll just burn a few copies on the office Xerox machine ;-)

Bill B

   

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