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    Re: Ex RNZAF navigator keen to learn marine sextant ways
    From: Bob Goethe
    Date: 2021 Dec 3, 00:51 -0800

    You can certainly shoot throughout the night if you are using an artificial horizon.  However, I have found that the full-horizon mirror of the Davis 25 blocks out the light of most stars other than Sirius.  It will work well with sun/moon/planets.

    Once you start getting into star shots, you may find the Davis 15, with the traditional split mirror, works better.

    I have a Tamaya aluminum sextant that came with a whole-horizon mirror.  Once I started pursuing star sights, I replaced the whole-horizon with a split-mirror.

    If you can see a star at all, you will be able to see it in a split mirror.

    I would like to try out midnight shots on a natural horizon.  I saw somebody in this group talked about German navigators wearing red goggles for an hour before going on deck to take sights.  So I purchased one of these to experiment with:


    It was cheap.  So if it doesn't work out for me, I can always wear it to costume parties.


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