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USPS Star Calendar for 4 to 10 July 27 June 2010

Posted by amedalen in July 2010.
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4 Jul
For the next week or so, watch Venus and Regulus grow closer each evening. Last-quarter moon at 1435 UT

6 Jul
Earth is at aphelion, its farthest distance from the sun, about 1.0167 astronomical units away. This is about 3.1 million miles more than the distance at perihelion, Earth’s closest approach to the sun, on 3 Jan.

8 Jul
As the sky darkens, Venus and Regulus stand side by side, separated by 1 finger-width low in the west.

9 Jul
Venus
passes to the upper right of Regulus, separated by 1 degree.

10 Jul
Venus
is now above or to the upper left of Regulus.

USPS Star Calendar for 27 June to 3 July 20 June 2010

Posted by amedalen in July 2010, June 2010.
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28 Jun
The moon is low in the southwest with Sagittarius about to set to its lower right an hour before sunrise. Altair is 2½ fist-widths to the upper right. Four fist-widths to the left is magnitude 1.3 Fomalhaut.

30 Jun
An hour before sunrise, the moon hangs high in the south, midway between Altair, 3 fist-widths to the upper right, and Fomalhaut, not quite as far to the lower left. Jupiter is far to the upper left, about 4 fist-widths away.

1 Jul
Saturn
, Mars, Regulus and Venus form a line from upper left to lower right just above the western horizon at sunset. To the upper right, the Big Dipper sits with its handle above the bowl. The moon is at apogee, 63.51 Earth-radii away.

2 Jul
The midpoint of the year occurs at 1200 UT.

3 Jul
Look high in the southeast just before sunrise to find Jupiter 3 finger-widths to the moon’s lower left.

USPS Star Calendar for 20 to 26 June 13 June 2010

Posted by amedalen in June 2010.
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20 Jun
Spica is only 2 finger-widths above or to the upper right of the moon this evening.

21 Jun
The bright star nearly 4 fist-widths above or to the upper right of the moon is magnitude 0.2 Arcturus. The summer solstice occurs at 1129 UT.

22 Jun
The moon is just to the right of the head of the Scorpion, Scorpius.

23 Jun
The moon is 2 finger-widths to the right of the red heart of the Scorpion, magnitude 1.1 Antares. The star midway between them is magnitude 3.1 sigma Scorpii.

24 Jun
About an hour after sunset, look for the moon midway between Sagittarius to the lower left and Scorpius to the upper right. The tail of the Scorpion curls directly below the moon.

25 Jun
The moon is just above the dome of the Teapot in Sagittarius.

26 Jun
The moon has moved to the left of Sagittarius, and magnitude 0.9 Altair is 3 fist-widths to its upper left. The moon is full at 1130 UT.

USPS Star Calendar for 13 to 19 June 6 June 2010

Posted by amedalen in June 2010.
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14 Jun
The waxing crescent moon sets a little more than 2 hours after the sun. Low in the west at dusk, brilliant magnitude –4.0 Venus is just 2 finger-widths above or to the upper right of the moon. The Gemini Twins are 1 fist-width to the right. Use binoculars.

15 Jun
As the sky darkens this evening, look for Venus 1 fist-width to the moon’s right or lower right. The Gemini Twins, Pollux and Castor, lie just beyond Venus. Magnitude 1.3 Regulus is 1½ fist-widths to the upper left and magnitude 1.2 Mars is in a straight line 2 finger-widths beyond Regulus. Even though they are similar in brightness, Mars is easy to distinguish from Regulus because of its redness. Continuing the line beyond Mars another 2½ fist-widths brings us to magnitude 1.0 Saturn. The moon is at perigee, 57.37 earth-radii away.

16 Jun
In the west an hour after sunset, the moon is 2½ fist-widths above the horizon. Regulus is a little more than 2 finger-widths above or to the upper right, and Mars is 4 finger-widths to the upper left. With your binoculars, you should have no trouble spotting magnitude 3.9 rho Leonis, less than 1 finger-width to Mars’ left. As long as you have your binoculars out, look for a dim star one-half finger-width to the moon’s upper left. This is magnitude 4.9 pi Leonis.

On this day in 1963, Valentina Tereshkova became the first woman in space, spending 3 days in orbit aboard the Soviet spacecraft Vostok 6.

17 Jun
Mars and Regulus are about 1 fist-width to the moon’s right tonight. The star 2 fist-widths above the moon is magnitude 2.2 Denebola. Saturn is 1½ fist-widths to the moon’s upper left.

18 Jun
Tonight, Saturn is 4 finger-widths above the moon, and Mars and Regulus are a little more than 2 fist-widths to the right.

19 Jun
Saturn is 1½ fist-widths to the moon’s upper right, while Spica is 1 fist-width to the upper left this evening. The moon is at first quarter at 0430 UT.