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--- dw  wrote:

> I used 119 deg 25.7 min for Vega with HO249 (vol 1).
> I used 119 deg 6.8 min for Vega with Naut Almanac Concise.

OK, so that explains the difference in AP longitudes... and now I'm
curious why my plot (from 249 vol. 1) is so different from yours (even
given the different origins for the LOPs).

Or maybe that's about as "accurate" as can be expected from using 249
(given that Hc and Z are both rounded to whole numbers)? It's been long
enough since I actually plotted LOPs that I really don't remember, but
I figured I'd at least get closer to the actual position than what my
rough plot showed.

--
GregR


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