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Full Sturgeon Moon, String Bean Craters And Planetary Pomp

25 Aug 2018, 18:14 UTC
Full Sturgeon Moon, String Bean Craters And Planetary Pomp
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The full moon rises over Lake Superior in Duluth last fall. August’s full moon comes up tonight and tomorrow night. Click here to find your moonrise time. Bob King
We get two full moon nights this weekend! August’s Full Sturgeon Moon happens tomorrow morning at 6:56 a.m. (Central Time). That’s the time when the moon will be fullest. This evening, the moon rises for the Americas some 12 hours, give or take, before full phase. Sunday night it comes up about 12 hours after full. That means equally imperfect full moons two nights in a row.
A little of the moon is “peeled off” shortly after full phase. This is also a good time to observe foreshortening of craters along the limb. Frank Barrett
I always like to challenge my eyesight to see if I can detect the slight out-of-roundness of a not-quite-full moon. When I can’t tell the difference I know I’ll be able to in a telescope which unerringly reveals the moon’s phase in detail. The shadowed craters along one side of the lunar disk always gives it away. Craters along the moon’s edges — called the lunar limb — appear foreshortened because the moon is a sphere.

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