Temperatures are about to get below freezing, and we need to find a way to keep our build warm through the winter.
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Use this celestial clock to tell the time from the stars.
Looking North, line up Polaris through the end of Ursa Major, and imagine a
backwards 24 hour clock, then using the formula on screen, calculate your local time
#sailing #celestial #clock #polaris #ursamajor #shorts