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USPS Star Calendar for 6 to 12 June 30 May 2010

Posted by amedalen in June 2010.
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6 Jun
Jupiter is less than 1 fist-width to the moon’s lower right.

7 Jun
Mars passes within one-half finger-width, 0.83 degrees, of Regulus this evening. Use binoculars.

8 Jun
The moon is midway between Jupiter, about 3 fist-widths to the upper right, and Mercury, just above the horizon to the lower left. Mercury rises just an hour before the sun, so your opportunity to see this planet will be brief.

10 Jun
The thin waning crescent moon rises about 1½ hours before Mercury, followed by the sun an hour later. As the sky grows light, you may be able to catch a glimpse of Mercury, 3 or 4 finger-widths below the moon. The Pleiades Cluster, 2 finger-widths to the moon’s lower left, will probably not be visible. Use binoculars.

12 Jun
The moon is new at 1115 UT.

USPS Star Calendar for 30 May to 5 June 23 May 2010

Posted by amedalen in June 2010, May 2010.
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30 May
The moon is just above the dome of the Teapot this morning.

31 May
Magnitude 0.9 Altair is 3 fist-widths above the moon before dawn.

1 Jun
The moon is low in the south at dawn. Sagittarius is 2 fist-widths to the lower right while magnitude 1.3 Fomalhaut is 3½ fist-widths to the lower left. Magnitude 0.9 Altair is 2½ fist-widths to the upper right.

3 Jun
Fomalhaut is 2½ fist-widths below the moon this morning, and bright magnitude -2.3 Jupiter is 3 fist-widths to the moon’s left, moving a little closer the next few days. The moon is at apogee, 63.38 earth-radii away.

4 Jun
The moon is at last quarter at 2213 UT.

5 Jun
Jupiter is less than 1 fist-width to the moon’s lower left before dawn.

USPS Star Calendar for 23 to 29 May 16 May 2010

Posted by amedalen in May 2010.
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23 May
Spica is 4 finger-widths to the moon’s left, and Saturn is 2 fist-widths to its upper right.

24 May
Spica is 3 finger-widths to the waxing gibbous moon’s upper right.

26 May
Low in the southeast this evening, the nearly full moon is to the upper right of the head of the Scorpion. The Scorpion’s body is below the horizon at sunset. As the night passes, Scorpius rises above the horizon and travels along the southern horizon until dropping below it before dawn.

27 May
Full moon at 2307 UT.

29 May
Low in the southwest before dawn, the moon is midway between Antares, the heart of Scorpius, and Sagittarius, the Teapot constellation.

USPS Star Calendar for 16 to 22 May 9 May 2010

Posted by amedalen in May 2010.
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16 May
Venus is 4 finger-widths to the moon’s lower right tonight, and the Gemini Twins are 2 fist-widths to its upper left. The moon is midway between Procyon, 2½ fist-widths to the left, and Capella, the same distance to the right.

17 May
Procyon is 1½ fist-widths to the moon’s lower left, and the Gemini Twins are less than 1 fist-width above it.

18 May
The Gemini Twins are a little more than 1 fist-width to the moon’s right, while Procyon is about the same distance below. Mars is 1½ fist-widths to the upper left.

19 May
Low in the west at dusk, Mars is 2 finger-widths above the moon, Regulus is 1 fist-width to the upper left, and the Big Dipper is high in the north far to the upper right.

20 May
First-quarter moon at 2343 UT. The moon has moved to the lower left of Regulus, and Mars is to the right of Regulus.

21 May
Saturn is 1 fist-width to the moon’s upper left, and Mars is 1½ fist-widths to the upper right. Regulus lies just left of Mars, which is slightly brighter at magnitude 1.0 compared with Regulus’ 1.3 magnitude. Can you see the difference? Use binoculars.

22 May
Saturn is 4 finger-widths to the moon’s upper right tonight, and Spica is 2½ fist-widths to its left.

USPS Star Calendar for 9 to 15 May 2 May 2010

Posted by amedalen in May 2010.
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9 May
Jupiter and the moon rise within a half-hour of each other, 1½ hours before sunrise. Look low in the east at dawn to see magnitude -2.2 Jupiter 2 finger-widths to the waning crescent moon’s lower right.

12 May
On Mars, the summer solstice occurs today at about 2000 UT.

14 May
New moon at 0104 UT.

15 May
Low in the west at sunset, magnitude -4.0 Venus is 2 finger-widths to the upper left of the thin waxing crescent moon. Look quickly because both will fall below the horizon in 1½ hours.