[PLUG-TALK] Astronomy Question

Bill Barry bill at billbarry.org
Sat Aug 4 15:09:51 UTC 2012


On Sat, Aug 4, 2012 at 9:58 AM, Richard C. Steffens <rsteff at comcast.net>wrote:

>  On 08/03/2012 09:20 PM, Bill Barry wrote:
>
> On Fri, Aug 3, 2012 at 10:49 PM, Richard C. Steffens <rsteff at comcast.net>wrote:
>
>> Where can I find information on how to predict where the moon will rise
>> for my location?
>>
>>
> This should get the calculation started.
> http://aa.usno.navy.mil/data/docs/AltAz.php
>
>
> Excellent! Thanks. I can use the second form and put in my latitude and
> longitude numbers, which are slightly different from Oregon City's.
>
> Another important bit of knowledge imparted here is the vocabulary.
> Altitude and azimuth relative to true north are the values I need but
> didn't know the names of.
>
> You will also have to calculate the altitude and azimuth where you
observed the moon using the lat/long/elevation where you were observing and
the lat/long/elevation of Mt. Hood.   See the section in this article

http://www.largeformatphotography.info/sunmooncalc/SMCalcTutorial.htm#LocatingFeatures

entitled Geodetic Calculations.

Bill
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