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When using the times of meridian passage from this web site work out
the time of passage for your location using the normal procedure and
then compare your time with the listed time for the same date to
determine an offset which you can then apply to the other listed times
for other dates. Much easier than computing it the normal way over and
over again. For my location in California at 118� 54' west my offset
is minus one minute 45 seconds for the local date.

http://www.cadastral.com/2008nov.htm

gl

On Nov 10, 12:00�pm, glap...@pacbell.net wrote:
> I have posted in the past the method of using Polaris when it is
> crossing the meridian for practice sextant sights using a bubble
> sextant or an artificial horizon since its altitude doesn't change for
> a considerable time. Now is a convenient time to do this since it is
> crossing the meridian at approximately 11 pm. this time of year and
> will be around 10 pm by the end of the month. Here is a link to
> information on meridian passage of the moon:
>
> http://www.cadastral.com/2008nov.htm
>
> gl
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