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USPS Star Calendar for 5 to 11 September 29 August 2010

Posted by amedalen in September 2010.
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5 Sep
Look east as the sky begins to lighten to see the thin waning crescent moon. Procyon is 1½ fist-widths to the moon’s right. The Big Dipper is standing on its handle far to the left near the horizon.

6 Sep
Separated by little more than 1 finger-width, Mars is directly above Spica for the next two evenings. Venus slides off to the left, while Saturn sinks closer to the horizon. Use binoculars.

8 Sep
The moon is at perigee, only 56.00 Earth-radii away. Because perigee occurs only 6.4 hours before the new moon at 1030 UT, we can expect high tides. Rosh Hashana, the first day of the Jewish year 5771, begins at sundown.

9 Sep
The sun rotates at an inclination of 7.25 degrees to the ecliptic plane, with its north pole at maximum tilt toward Earth.

10 Sep
Spica
is 2 finger-widths to the waxing crescent moon’s upper right. Mars is nearly 3 finger-widths above or to the upper right of the moon. Venus is 3 finger-widths to the moon’s upper left. Use binoculars.

11 Sep
The moon has moved to the left of Venus.

USPS Star Calendar for 29 August to 4 September 22 August 2010

Posted by amedalen in August 2010, September 2010.
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29 Aug
Magnitude 2.2 Hamal, in the constellation Aries, the Ram, is 1 fist-width directly above the moon, high in the west at dawn. Magnitude 2.7 Sheratan lies between them. Jupiter is nearly 3 fist-widths to the moon’s lower right.

31 Aug
Tonight, magnitude 1.2 Spica is less than 1 degree to Venus’ upper right, and Mars is a little more than 1 finger-width to the upper right. The Pleiades is 3 finger-widths to the left or upper left of the moon high in the south before dawn. Use binoculars.

1 Sep
Tonight, Venus, Spica and Mars form a nearly straight line. Spica is a little to the right of the much brighter Venus. The equation of time is zero. Last-quarter moon at 1722 UT. Use binoculars.

2 Sep
Watch as Venus continues to slowly pull away from Spica. Use binoculars.

3 Sep
High in the east this morning, Orion is to the right and the Gemini Twins are to the lower left of the waning crescent moon. Magnitude 0.5 Procyon is 2½ fist-widths below or to the lower right. The bright star 2½ fist-widths to the upper left is magnitude 0.2 Capella.

USPS Star Calendar for 22 to 28 August 15 August 2010

Posted by amedalen in August 2010.
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23 Aug
If you’ve been watching Venus and Mars the last 2 weeks, you can see that Venus has moved away from Mars to the left.

24 Aug
Late tonight, the moon is at apogee, 63.72 Earth-radii away. Full Green Corn Moon at 1705 UT

26 Aug
Late this evening Jupiter rises shortly after the moon, and they travel across the night sky together, ending up high in the west tomorrow morning with Jupiter 3 finger-widths to the moon’s lower left.

USPS Star Calendar for 15 to 21 August 8 August 2010

Posted by amedalen in August 2010.
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16 Aug
First-quarter moon at 1814 UT

17 Aug
This evening, Venus is directly below Mars, separated by 1 finger-width. Antares, the red heart of Scorpius, is 1 finger-width to the moon’s lower right.

19 Aug
Tonight, Venus, the goddess of love, passes within 1.9 degrees (1 finger-width) of Mars, the mighty god of war. The planetary lovers will rendezvous again in early October when Venus, in retrograde, passes Mars. The waxing gibbous moon is just above the dome of the Teapot constellation, Sagittarius. Use binoculars.

20 Aug
Venus begins to slip away to the left of Mars tonight, though to the naked eye they do not appear any farther apart.

21 Aug
Venus slides ever so slowly farther to the left of Mars.

USPS Star Calendar for 8 to 14 August 1 August 2010

Posted by amedalen in August 2010.
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8 Aug
The thin waning crescent moon is 1 fist-width to the lower right of the Gemini Twins, low in the east before dawn.

9 Aug
Mars, Venus and Saturn form a tight triangle. Watch the drama every evening for the next 2 weeks as Venus closes in and eventually overtakes Mars.

10 Aug
The moon is at perigee, 56.11 Earth-radii away. With perigee occurring less than 15 hours after the new moon at 0308 UT, we can expect high tides.

11 Aug
The moon sets less than an hour after the sun. At dusk, you should be able to spot the thin waxing crescent moon just above the western horizon. Mercury is 1½ finger-widths to the moon’s upper right.

12 Aug
Mars, Saturn and Venus are just above the moon this evening.

13 Aug
Today is Friday the 13th. The moon is 1 fist-width to the left of Venus, Mars and Saturn. Spica is 3 or 4 finger-widths to the moon’s upper left.

14 Aug
The moon is 3 finger-widths to the left of Spica. Mars, Saturn and Venus lie beyond.