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Astro Bob

Watch Jupiter And The Moon At Dusk Tonight

5 Sep 2019, 21:23 UTC
Watch Jupiter And The Moon At Dusk Tonight
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The half-moon and Jupiter will hang together tonight in conjunction, their separation varying from about 2° to 4° depending where you live. They’ll be closest and in official conjunction around 2 a.m. tomorrow morning, though the moon will have set for much of the U.S. by that hour. Stellarium
I hope a few of you caught the surprise northern lights last night. It was definitely not in the forecast but showed up anyway like that friend who’s always welcome. I hit the bed hard at 1 a.m. after the show and managed to get enough sleep to appear human today. But just in case I get drowsy and nod off I wanted to take a few minutes to tell you about tonight’s conjunction between Jupiter and the half-moon.
Close approaches of a planet and the moon — called a conjunction — happen every month. Depending on the moon and planet’s relative positions, sometimes the two bodies are strikingly close and other times less so. Tonight the moon and Jupiter’s distance will vary from about 3.5° (East Coast) to 2° (West Coast) — a fairly close conjunction. The separation shrinks from east to west because the moon moves eastward as it ...

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