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USPS Stare Calendar for 16-22 September 9 September 2012

Posted by amedalen in September 2012.
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16 Sep    Tonight the moon rises and sets just before the sun does. New moon at 0211 UT

17 Sep    Jupiter is high in the south before dawn, and Orion is just below.

19 Sep    The moon, which sets about 2 hours after the sun, is visible low in the southwest at dusk. Magnitude 1.2 Mars is 1 finger-width to the right. The moon is at perigee, 57.35 Earth-radii (366,000 kilometers) away.

20 Sep    Tonight the moon is in the head of Scorpius, with Mars 1½ fist-widths to the lower right and magnitude 1.1 Antares 3 finger-widths to the lower left. Compare the color of Mars and Antares, the “rival of Mars.” The waxing crescent moon is 20 percent illuminated.

22 Sep    The moon is above the dome of Sagittarius. The autumnal equinox occurs at 1449 UT as the sun crosses the celestial equator into the southern hemisphere.

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