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USPS Star Calendar for 6-12 October 30 September 2013

Posted by amedalen in October 2013.
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6 Oct    The sun sets 1 hour before the waxing crescent moon. If you have a clear view of the western horizon, you may catch a glimpse of Mercury to the lower left and Saturn just above the moon. This is a good opportunity to view Mercury, which in 3 days will reach its greatest elongation east of the sun.

7 Oct    At evening twilight, magnitude –4.2 Venus will be 4 finger-widths to the left of the thin crescent moon.

8 Oct    Tonight the moon forms a triangle in the southwest with Venus, 3 finger-widths to the lower right, and Antares, the heart of the Scorpion, the same distance to the lower left.

9 Oct    This evening, Mercury reaches its greatest elongation, 25.3 degrees east of the sun.

10 Oct    The moon is at perigee, 57.98 Earth-radii (370,000 kilometers) away. This is the second-farthest perigee of the year.

11 Oct    The first-quarter moon is high in the south at dusk. Magnitude 0.9 Altair is 3 fist-widths above the moon.

12 Oct    Over the next few mornings, Mars and Regulus pass near each other, giving early risers quite a show. In the east, magnitude 1.6 Mars is 1 finger-width above magnitude 1.3 Regulus.

USPS Star Calendar for 29 September-5 October 30 September 2013

Posted by amedalen in October 2013, September 2013.
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30 Sep    This morning, Mars is 1 fist-width to the moon’s lower left, and Regulus is 1 fist-width to Mars’ lower left. The moon is about 20 percent illuminated.

1 Oct    Low in the east at first light, magnitude 1.3 Regulus is 3 finger-widths to the moon’s left, and magnitude 1.6 Mars is 4 finger-widths to its upper left. Less than 20 percent of the moon’s surface is illuminated.

2 Oct    Regulus and Mars are above the moon, low in the east before dawn.

5 Oct    New moon at 0033 UT

USPS Star Calendar for 22-28 September 15 September 2013

Posted by amedalen in September 2013.
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22 Sep    Today marks the first day of fall, the autumnal equinox, as the sun crosses the celestial equator into the Southern Hemisphere.

23 Sep    Using binoculars, look for the Pleiades Cluster 3 finger-widths to the moon’s upper left this evening.

24 Sep    High in the southwest before dawn, the Pleiades Cluster is 3 finger-widths to the moon’s upper right, and Aldebaran is less than 1 fist-width to the left.

25 Sep    In the south before dawn, bright magnitude 1.1 Aldebaran is 2 finger-widths to the moon’s lower right. To the moon’s lower left, Orion the Mighty Hunter dominates the southern sky.

26 Sep    Rising shortly after midnight, the first-quarter moon is high in the south before dawn, midway between Jupiter to the lower left and Aldebaran to the upper right. The brightest star in Orion, magnitude 0.6 Betelgeuse, is 1 fist-width below the moon.

27 Sep    Magnitude 1.9 Alhena, in the constellation Gemini, is 1 finger-width below the moon in the pre-dawn sky. The Twins, Pollux and Castor, are nearly 2 fist-widths to the left. Jupiter is 1 fist-width to the moon’s lower left. The moon is at apogee, 63.39 Earth-radii (251,000 miles) away. Last-quarter moon at 0355 UT

28 Sep    The moon is between magnitude –2.2 Jupiter, 3 finger-widths to the upper left, and magnitude 0.5 Procyon, a little more than 1 fist-width to the lower right.

USPS Star Calendar for 15-21 September 8 September 2013

Posted by amedalen in September 2013.
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15 Sep    In the early evening, look 2½ fist-widths above the moon to find magnitude 0.9 Altair in the constellation Aquila, the Eagle. The moon is at perigee, 56.7 Earth-radii (228,000 miles) away.

16 Sep    Using binoculars, look for Saturn 2 finger-widths above Venus low in the west at dusk. Venus pulls to Saturn’s left over the next few nights.

17 Sep    The nearly full moon is more than 90 percent illuminated and rises a little more than an hour before sunset.

19 Sep    The full moon (1113 UT) closest to the autumnal equinox is called the Harvest Moon.

20 Sep    Rising a half hour after sunset, the moon is high in the southeast by midnight and still appears full.

USPS Star Calendar for 8-14 September 1 September 2013

Posted by amedalen in September 2013.
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8 Sep    Venus is now to Spica’s upper left, and the thin waxing crescent moon is less than 1 finger-width to Venus’ left. All three occupy a 1½-finger-width diameter circle.

9 Sep    Magnitude 0.7 Saturn is 3 finger-widths to the moon’s right. Less than 20 percent of the moon’s surface is illuminated.

11 Sep    The moon is 3 finger-widths above Antares, the red-orange heart of Scorpius.

12 Sep    First-quarter moon at 1708 UT

13 Sep    The waxing gibbous moon is above the Teapot constellation Sagittarius.