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Hi Jeremy, did you take several shots and graph them? It is great that you 
able to combine your duties with cel nav.
Mike Burkes

>
>
> Earlier this month I shot a lunar, the first one in about 9 years.
>
> Here is the data:
> 8 May 2008 08h 08m 40s UTC.
> Fix was Lat 14deg 48.3� N; Long was 145deg 45.0E
> At that time I calculated the sun�s Hc at 5deg 27.2� and the moon�s Hc
> at 45deg 08.1�
> I shot a near distance and obtained an Hs of 38 deg 56.4� IE was 1.0�
> off the arc, Height of eye was 106 ft.
>
> I used Frank�s webpage to reduce the Lunar and obtained a corrected
> observation of 40deg 19.2� and a calculated lunar distance of 40deg
> 17.1� for an arc error of 2.1�. Unfortunately, this lead me to an
> error in time of 3m 36s which is 1deg 02� of Longitude. I am guessing
> that the low altitude of the sun contributed significantly to this
> error as I have never had much luck with low altitude sun shots. I
> really should have thought of it earlier, and shot the distance when
> the sun was about 20 degs in altitude.
>
> I am wondering what people are typically getting for errors? I am
> thinking that this is a bit much and I think with a bit more practice
> I can do better.
>
> Jeremy
>
> >

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