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Hewitt,

For us lucky northerners how about Weems for Winter and Dreisonstok
for Dog Days ;-)

Greg

On Dec 15, 6:40�am, Hewitt Schlereth  wrote:
> Great, Greg. W-eems in the W-inter and D-reisonstok in the D-oldrums
> of Summer. :-)
>
> On 12/15/09, Hewitt Schlereth  wrote:
>
> > Neato, Gary. �Hewitt
>
> > �On 12/14/09, Greg Rudzinski  wrote:
> > �> I would like to add this rule for all bodies :
> > �> �A. If Latitude and declination are the same in name use Dreisonstok.
> > �> �B. If Latitude and declination are contrary in name use Weems.
>
> > �> �This will keep things positive.
>
> > �> �On Dec 14, 12:50 pm, Greg Rudzinski  wrote:
> > �> �> In the process of comparing short methods of non electronic sight
> > �> �> reduction it came to my attention that the subtle differences between
> > �> �> Dreisonstok and Weems tables actually compliment each other very well
> > �> �> thus making it worth while having both copies at hand. The beauty of
> > �> �> having both lies in the treatment of declination as a plus or minus.
> > �> �> What I like to do is add instead of subtract where ever possible so by
> > �> �> using Weems in the northern hemisphere fall/winter and Dreisonstok in
> > �> �> the northern hemisphere spring/summer addition of declination is
> > �> �> maintained. The other beautiful compliment is the graph vs. tabular
> > �> �> azimuth determination. When speed is needed then the Weems graph is
> > �> �> used. When accuracy for compass error determination is needed then
> > �> �> Dreisonstok is used. Once an Hc is determined by Weems then extracting
> > �> �> Z' and Z" from Dreisonstok is simple.
>
> > �> �--
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