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What instrument did you use for solar azimuth observations?

Alex.

> I bought the Multiyear Interactive Computer Almanac from Willman-Bell,
> calculated a series of solar positions by second, and made observations
> during that sequence period.  I then compared my observations with the
> calculations.  I was in error on average 4.3 seconds (time) with a SD of
> 8.57 seconds.  The sun is moving an arc minute every 4 seconds.  With my
> current skill set locating North within 20" is out of reach.
>
> I am not about to argue with my own numbers.  Still, it is difficult to
> understand how I could miss the alignment of the trailing edge of the Sun
> with my vertical cross hair by multiple seconds.
>
> What is a reasonable accuracy expectation for series of solar azimuth
> observations?
>
> Thank you.
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