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USPS Star Calendar for 21-27 September 14 September 2014

Posted by amedalen in September 2014.
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21 Sep    The moon and Regulus rise 2½ hours before the sun. Jupiter is 1½ fist-widths above the moon, which is about 10 percent illuminated.

22 Sep    The autumnal equinox occurs at 1029 EDT.

23 Sep    The thin waning crescent moon rises a half hour before the sun. Venus is 2 finger-widths to the upper left. Less than 5 percent of the moon’s surface is illuminated.

24 Sep    The new moon makes the next few days perfect for exploring the evening sky. In the south, Mars is 2 finger-widths to the upper right of Antares.

25 Sep    In the north tonight, the Big Dipper appears horizontal at dusk, rotates counterclockwise and is near the horizon at midnight.

26 Sep    You can catch a quick glimpse of the thin waxing crescent moon low in the west at dusk. The moon sets two hours after the sun. The moon’s surface is less than 5 percent illuminated.

27 Sep    Magnitude 0.6 Saturn is 1 finger-width to the moon’s upper left low in the west as the sky darkens.

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 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.

USPS Star Calendar for 18-24 September 11 September 2011

Posted by amedalen in September 2011.
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18 Sep    High in the south before dawn, the Pleiades Cluster is 1 finger-width to the waning gibbous moon’s upper right. Jupiter is 2 fist-widths to the lower right, and Aldebaran is 1 fist-width to the lower left. Orion is beyond Aldebaran. About two-thirds of the moon’s surface is illuminated. [Binoculars]

19 Sep    High in the south at first light, the moon is between Mars, 4.5 fist-widths to the lower left, and Jupiter, 3.5 fist-widths to the right. Aldebaran is 3 finger-widths to the lower right.

20 Sep    Last-quarter moon at 1339 UT

22 Sep    The waning crescent moon is high in the east before dawn. Magnitude 0.5 Procyon is 1.5 fist-widths to the moon’s lower right, and Mars is 1 fist-width to the lower left. The Gemini Twins, Pollux and Castor, are 1 fist-width to the upper left. Magnitude 1.2 Pollux is the closer, while dimmer magnitude 1.6 Castor is farther to the upper left.

23 Sep    The autumnal equinox occurs at 0905 UT as the sun crosses into the southern celestial hemisphere. Mars is 3 finger-widths to the thin crescent moon’s upper left before dawn. Only 25 percent of the moon’s surface is illuminated.

24 Sep    Regulus is 1 fist-width to the moon’s lower left, low in the east before dawn. The Big Dipper stands on its handle far to the left.

USPS Star Calendar for 11-17 September 4 September 2011

Posted by amedalen in September 2011.
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11 Sep    Rising a half-hour before sunset, the moon is high in the southeast before midnight. Magnitude 1.3 Fomalhaut is 2.5 fist-widths to the lower right, Altair is 5 fist-widths to the upper right, and Jupiter is the same distance to the lower left.

12 Sep    The full moon closest to the autumnal equinox, the Harvest Moon, occurs at 0927 UT.

13 Sep    Early tonight, magnitude -2.7 Jupiter is nearly 3 fist-widths to the moon’s lower left in the southeast. Watch as the moon catches up with Jupiter the next few evenings.

14 Sep    Jupiter is only 1.5 fist-widths to the moon’s lower left tonight. More than 90 percent of the moon’s surface is illuminated. Try to spot magnitude 3.7 eta Piscium, 2 finger-widths to the moon’s left. [Binoculars]

15 Sep    The moon rises late tonight, a little more than a half-hour before Jupiter, which is 3 finger-widths below. The moon is at apogee, more than 405,000 kilometers or 63.67 Earth-radii away.

16 Sep    High in the southwest at first light, the moon and Jupiter rise 2 hours after sunset. Jupiter is 4 finger-widths to the moon’s right. Tomorrow morning, they are high in the southwest with Jupiter nearly 1 fist-width below the moon.

17 Sep    Tonight, the moon rises late, about 40 minutes after Jupiter. The Pleiades Cluster is to the moon’s left. [Binoculars]

USPS Star Calendar for 19 to 25 September 12 September 2010

Posted by amedalen in September 2010.
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19 Sep
This evening, Jupiter is 3½ fist-widths left of the moon, and magnitude 1.3 Fomalhaut is 2½ fist-widths to the lower left.

21 Sep
In opposition to the sun, Jupiter and Uranus rise at sunset, are on the meridian at midnight, and set when the sun rises. Magnitude -2.9 Jupiter and magnitude 5.7 Uranus are their brightest for the year. You’ll need binoculars, a clear sky and low light pollution to see Uranus, a faint spot one-half finger-width to Jupiter’s upper left. The moon is at apogee, 63.68 Earth-radii away. Use binoculars.

22 Sep
Rising an hour before sunset, the moon is followed 30 minutes later by Jupiter, 3 finger-widths to the lower right.

23 Sep
Jupiter
is 1 fist-width to the moon’s right tonight and 1½ fist-widths below at dawn tomorrow. The autumnal equinox occurs at 0309 UT. Full Corn Moon at 0917 UT

24 Sep
The moon dominates the eastern sky this evening, rising about a half-hour after Jupiter.