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September 8, 2021 at 7:34 pm
#10498

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It’s also worth noting that the sextant will allow one to measure the angles between the moon and stars at greater than 90 degrees, which is required when doing ‘lunars’ to determine GMT. Lunars permit a navigator to determine the time with precision, and then do sight reduction for that time – removing the requirement for a highly accurate chronometer.
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