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    Star Identification
    From: Bruce Hamilton
    Date: 2008 Jul 29, 23:15 -0700

    I just received an A-10 that I got for cheap on E-bay. Well, most of one
    as is is missing the averaging mechanism, but as I plan to use it with
    my feet firmly planted on the ground, I don't need that bit. I also
    managed to coax a bubble out of it too.  I must say that it is the best
    thing for us urban dwellers with no horizon handy. I might get a
    calibrated A-12 next as I love the concept. Put the body in the center
    of the bubble and I have a reading. Very nice! I am a bubble sextant fan
    now.
    
    I have one question for someone who has used one (A-10) before. What is
    the use of the frosted glass that swings over the top of the bubble
    column? Mine has some faint lines on it, but it seems to me that if the
    body is in the bubble, no other reference is needed.  As well, it seems
    to me if I peek to the left of the view, I could see a natural horizon,
    if I had one. Is this possible or a pipe dream?
    
    Another question. Last night, I could get a reading from a single star
    through a single whole in the clouds.  My star identification skills are
    still poor, and those circumstances were beyond me. Is there a quick and
    dirty way to take that single observation and find what star I was
    looking at using the observation, an Almanac a watch and calculator?  I
    think I found the star in the site plan section of Celest Nav on my palm
    pilot, but I would like to be able to do it without.
    
    Thank You
    
    Bruce Hamilton
    Vancouver, BC
    
    
    
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