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USPS Star Calendar for 5-11 August 29 July 2012

Posted by amedalen in August 2012.
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5 Aug    Rising late, the waning gibbous moon is high in the southwest before dawn. Nearly 90 percent of the moon’s surface is illuminated.

6 Aug    High in the southwest before dawn, the bright star 2 fist-widths to the moon’s upper right is magnitude 2.1 Alpheratz in the constellation Andromeda.

8 Aug    High in the south before dawn, the two stars to the moon’s upper left are magnitude 2.7 Sheratan and magnitude 2.2 Hamal, both in the constellation Aries. Jupiter is far to the lower left, and Venus lies beyond Jupiter.

10 Aug    The Pleiades Cluster is 3 finger-widths to the moon’s left, high in the southeast before first light. Magnitude -2.2 Jupiter is 1½ fist-widths to the lower left, and magnitude 1.1 Aldebaran is 2 finger-widths to Jupiter’s lower right. The moon is at apogee, 63.36 Earth-radii (404,000 kilometers) away.

11 Aug    High in the east before dawn, Jupiter is 2 finger-widths to the waning crescent moon’s lower left, and Aldebaran is farther below or to the lower right. Beyond Aldebaran, Orion reclines close to the horizon. About a third of the moon’s surface is illuminated.

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USPS Star Calendar for 29 July-4 August 22 July 2012

Posted by amedalen in August 2012, July 2012.
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29 Jul    The moon is at perigee, 57.59 Earth-radii (367,000 kilometers) away.

1 Aug    Rising shortly before sunset, the full moon hangs low in south at midnight. The bright star 2½ fist-widths above the moon is magnitude 0.9 Altair.

4 Aug    The moon rises more than an hour after sunset.

USPS Star Calendar for 22-28 July 15 July 2012

Posted by amedalen in July 2012.
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23 Jul    Low in the west at dusk, magnitude 1.0 Mars is 1 fist-width to the thin waxing crescent moon’s upper left, and magnitude 0.8 Saturn is 1 fist-width beyond Mars. Magnitude 1.2 Spica is 2 finger-widths to Saturn’s lower left. Less than 20 percent of the moon’s surface is illuminated.

24 Jul    Tonight the moon has moved to the east. Mars is 3 finger-widths to the moon’s upper right, and Saturn is 1 fist-width to the upper left.

25 Jul    Spica is 3 finger-widths to the moon’s right, low in the southwest tonight.

27 Jul    The head of the Scorpion, Scorpius, is to the moon’s left this evening.

28 Jul    Magnitude 1.1 Antares, the red heart of Scorpius, is less than 3 finger-widths to the waxing gibbous moon’s lower right tonight. Nearly 75 percent of the moon’s surface is illuminated.

USPS Star Calendar for 15-21 July 8 July 2012

Posted by amedalen in July 2012.
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15 Jul    Before first light, the moon forms a tight cluster with Jupiter 2 finger-widths to the upper right, Venus to the lower right and Aldebaran to Venus’ upper right.

16 Jul    Aldebaran, Venus and the waning crescent moon line up low in the east before dawn. Less than 10 percent of the moon’s surface is illuminated.

19 Jul    New moon at 0424 UT. In most of the U.S., the new moon occurs before midnight on the 18th.

21 Jul    Tonight, the moon sets a little more than an hour after the sun. At dusk, find the Big Dipper high in the north, with the handle nearly straight up. Follow the handle’s arc to Arcturus, and speed on to Spica. Don’t mistake Spica for Saturn, which is slightly brighter at magnitude 0.8, versus Spica’s magnitude 1.2.

USPS Star Calendar for 8-14 July 1 July 2012

Posted by amedalen in July 2012.
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9 Jul    Venus is less than ½ finger-width from Aldebaran low in the east before dawn.

11 Jul    Magnitude 1.1 Aldebaran is ½ finger-width to the right of magnitude -4.5 Venus low in the east at first light. 

13 Jul    The moon is at apogee, 63.47 Earth-radii (405,000 kilometers) away.

14 Jul    The moon rises less than 3 hours before the sun. Before dawn, the Seven Sisters or Pleiades Cluster is 2 finger-widths to the moon’s upper left. Magnitude -2.1 Jupiter is 3 finger-widths to the moon’s lower left, and magnitude -4.5 Venus is 3 finger-widths below Jupiter. Magnitude 1.1 Aldebaran is 1 finger-width to Venus’ upper right. About 20 percent of the moon’s surface is illuminated.