NavList:

James-
The $49 artificial horizon from Celestaire works very nicely. Basically, it
replaces your telescope and it has a horizontal line and a bubble in it. When
you are holding the sextant so the telescope is level (pointing at the horizon)
the bubble hits the line. You now hold the sextant in that position, and swing
the arm to bring the sun/star down to that same line which is pretending to be
the horizon in the telescope. (Well, it isn't a telescope any more, IIRC it is
zero magnification, a sight tube with the special level in it.)

I'd avoid the air sextants if only because it is not the same instrument you'll
be working, sort of like driving a bus instead of an econocar....They're just
different. Easier to use the one you plan to drive, so all you have to change is
the sight tube.


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