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USPS Star Calendar for 1-7 May 24 April 2011

Posted by amedalen in May 2011.
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1 May    One fist-width to the moon’s right, Venus and Mars rise an hour before the sun, so you can catch a glimpse before sunrise. With sharp eyes, you might be able to see magnitude -3.9 Venus well after first light. Less than 5 percent of the moon’s surface is illuminated.

3 May    New moon at 0651 UT

5 May    The waxing crescent moon sets 3 hours after the sun. Magnitude 1.1 Aldebaran is 4 finger-widths below the moon, and Orion is to its lower left. Only 5 percent of the moon’s surface is illuminated. Fifty years ago today, Alan Shepard became the first American in space when he made a 15-minute flight aboard Mercury 7.

6 May    The bright star 2.5 fist-widths to the moon’s right or upper right this evening is magnitude 0.2 Capella, in the constellation Auriga, the Charioteer.

7 May    High in the west at sunset, the moon is between magnitude 0.5 Procyon, 2 fists-widths to the left, and magnitude 0.2 Capella, 3 fist-widths to the right. The Gemini Twins, Pollux and Castor, are 1.5 fist-widths above the moon. Fifteen percent of the moon’s surface is illuminated.

USPS Star Calendar for 24-30 April 17 April 2011

Posted by amedalen in April 2011.
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25 Apr    Rising 4 hours before the sun, the moon is high in the southeast at first light. Magnitude 0.9 Altair is 2.5 fist-widths above the moon. Last-quarter moon at 0247 UT, 2247 EDT yesterday

26 Apr    Although it’s still spring, the Summer Triangle is already prominent in the early morning sky. Its three stars—Vega, Deneb and Altair—rise above the horizon and are high overhead at dawn. An hour before sunrise, look for magnitude 0.9 Altair in the southeast, 3 fist-widths above and slightly to the right of the moon. Magnitude 1.3 Deneb is 3.5 fist-widths to Altair’s upper left. From Deneb, look 2.5 fist-widths to the upper right, nearly overhead, for magnitude 0.1 Vega.

29 Apr    The thin waning crescent moon rises 2 hours before the sun. Only 15 percent is illuminated. Magnitude -3.9 Venus is a little more than 1 fist-width to the moon’s lower left, and magnitude 1.0 Mercury is 2 finger-widths beyond Venus. The moon is at apogee, 63.66 Earth-radii away.

30 Apr    Only 3 finger-widths to the moon’s lower right this morning, Venus rises only an hour before the sun, so look quickly before it gets lost in the glare.

USPS Star Calendar for 17 to 23 April 10 April 2011

Posted by amedalen in April 2011.
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17 Apr    Low in the east at sunset, the nearly full moon lines up with Spica, 2 finger-widths above the moon, and Saturn, 1 fist-width above Spica. Tomorrow morning, they hold the line low in the west with Spica and Saturn to the moon’s right. The moon is at perigee, 56.15 Earth-radii away.

18 Apr    Full Pink Moon at 0244 UT, 2244 EDT yesterday

19 Apr    The moon rises 2.5 hours after sunset. More than 95 percent of the moon’s surface is illuminated.

20 Apr    Low in the south before dawn, the moon is in the head of Scorpius, the Scorpion. The red star Antares is 4 finger-widths to the left.

21 Apr    Antares is 3 finger-widths to the waning gibbous moon’s lower right this morning. More than 80 percent of the moon’s surface is illuminated.

22 Apr    Rising a little after midnight, the moon is to the upper right of the Teapot constellation, Sagittarius, low in the south before dawn. About 75 percent of the moon’s surface is illuminated.

23 Apr    Before dawn, the moon is to the upper left of Sagittarius.

USPS Star Calendar for 10 to 16 April 3 April 2011

Posted by amedalen in April 2011.
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10 Apr    The moon is directly above Orion and below the Gemini Twins at sunset. Procyon is 1.5 fist-widths to the lower left.

11 Apr    The Gemini Twins are 1 fist-width to the moon’s right. First-quarter moon at 1205 UT

12 Apr    The moon is high in the south at dusk. Magnitude 1.3 Regulus, the brightest star in Leo, the Lion, is 1.5 fist-widths to the moon’s left or upper left, and Procyon is 2 fist-widths to the lower right. Fifty years ago today Soviet cosmonaut Yuri Gagarin made the first manned Earth orbit.

13 Apr    Regulus is 3 finger-widths to the waxing gibbous moon’s upper left tonight. More than 66 percent of the moon’s surface is illuminated.

14 Apr    The waxing gibbous moon is high in the southeast at evening twilight. Regulus is 1.5 fist-widths to the upper right and magnitude 0.4 Saturn is 3 fist-widths to the lower left. Use binoculars to see magnitude 2.9 Porrima 1 finger-width to Saturn’s upper right.

15 Apr    The equation of time is zero. Apparent solar time (sundial time) and mean solar time are the same.

16 Apr    As the sky darkens, magnitude 0.4 Saturn becomes visible 4 finger-widths to the moon’s upper left. Magnitude 1.2 Spica appears 1 fist-width to the moon’s lower left. Magnitude 0.2 Arcturus is 3.5 fist-widths to the left, and the Big Dipper is nearly upside down far to the upper left.