Next message: Alexandre E Eremenko: "Re: Buying a sextant- a cautionary tale."
The distance in the Orion belt I posted
was NOT corrected for refraction.
That's why I did not include time.
The refraction correction is actually negligible
in this case because the distance is small,
the altitite is not large, and the pair look almost
horizontal from our position.
Alex
On Thu, 4 May 2006, Ken Muldrew wrote:
>
> > Anyone. What am I missing?
>
> Did you clear the distance for refraction?
>
> Ken Muldrew.
>
