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>   James R. Van Zandt wrote:
>   >
>   > I assume that it works at solar noon each day.  I wouldn't be
>   > surprised if they need to post a conversion table between solar time
>   > and what the clocks are set to.
>
>   By playing with a wonderful web site that maps locations given by
>   latitude and longitude into most common mapping web sites, I
>   reckon the L/Lo of the analemma to be N 47d 15.82m, W 122d 29.01m.

The Google site http://www.google.com/maps actually needs no help.
You can type something like 47.263403,-122.48271 into the search field
and bring up a map and/or satellite photo of that location.  And "link
to this page" will give you a string that includes the latitude and
longitude.

>   Yes, the sun would rise a bit between zone noon and local noon,
>   but I not sure it's significant enough to require recalibration of
>   the analemma.
>
>   The obvious thing to be concerned about is the hour's correction
>   for Daylight Time (Summer Time to Europeans).

Come to think of it, they could just adjust the mirror twice a year.

                 - Jim Van Zandt

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