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list of 173 'navigational' stars?
On Apr 9, 4:10 pm, (Eugene Griessel) wrote:
"Jim" wrote: On Apr 6, 11:26 am, (Eugene Griessel) wrote: "John Nagelson" wrote: When one navigates by the stars, using a normal marine sextant, the only time one can shoot the stars is during twilight as both the horizon and the stars must be visible. One needs three bright stars to get a position. Interesting - makes me think of the definition of sunrise and sunset in the Jewish religion: night begins when three stars are visible. John |
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