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Byron: Frank Nothing on this earth is new. Every thing is a rediscovery
or difference way of during things, This artical I had published
in the 1970 + or - a few years, The main point is using the well lite horizon. "Once the stars became bright, the horizon would darken and
become a thick band. The best plan was to sight while the stars were just
showing, bring the star to the sharp horizon, swing the star (rock the
sextant), and lay the star on the horizon. Many times, especially with a high
star, the star would disappear on or near the well-lit horizon.
The sky just above the horizon is lighter than the rest of the sky and the
swinging takes away some of the concentration needed to stay locked onto the
faint star or the pale disk of a planet. In order to sit that faint star on
the distinct horizon, I experimented with bringing the faint star into the
relatively darker water and rocking the sextant, watching the star enter and
leave (in and out) the water".

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