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USPS Star Calendar for 11-17 March 4 March 2012

Posted by amedalen in March 2012.
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11 Mar    Venus is less than 2 finger-widths to Jupiter’s lower right tonight. Daylight saving time begins at 0200.

12 Mar    Tonight Venus and Jupiter stand side by side only about 3 degrees, 1½ finger-widths, apart. In the coming days, Venus climbs high, leaving Jupiter behind.

13 Mar    Low in the south before dawn, the moon is in the head of the Scorpion constellation, Scorpius. About two-thirds of the moon’s surface is illuminated.

14 Mar    Venus is 1½ finger-widths to Jupiter’s upper right.

15 Mar    Low in the south before dawn, the moon is just above the dome of the teapot constellation, Sagittarius. Beware the Ides of March, a seer warned Julius Caesar; he was assassinated on this day in 44 BC.

17 Mar    Continuing to climb away from Jupiter, Venus is a little more than 2 finger-widths to the upper right.

USPS Star Calendar for 13 to 19 March 6 March 2011

Posted by amedalen in March 2011.
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13 Mar    Using your binoculars, measure 1 finger-width to the moon’s lower right to find magnitude 3.2 mu Geminorum and 3 finger-widths to the moon’s lower left to find magnitude 1.9 Alhena, both in the constellation Gemini. Daylight saving time begins in most of the United States at 0200 as clocks are set one hour forward.

14 Mar    Procyon is a little more than 1 fist-width to the moon’s lower left tonight. The Gemini Twins are less than 1 fist-width above the moon. Mercury is 1 finger-width to Jupiter’s lower right low in the west at dusk.

15 Mar    Magnitude -1.1 Mercury is less than 1 finger-width to the upper right of magnitude -2.1 Jupiter at dusk. Today marks the Ides of March, when Julius Caesar was assassinated.

16 Mar    Tonight, Regulus is less than 1 fist-width to the moon’s lower left, and magnitude 2.2 Alphard is 2 fist-widths to the moon’s lower right.

17 Mar    Regulus is 3 finger-widths above the moon tonight. About 90 percent of the moon’s surface is illuminated. Today is St. Patrick’s Day.

19 Mar    Rising a half-hour after sunset, the full moon is followed by Saturn 1 fist-width to the lower left. Spica is 1 fist-width below Saturn, and Arcturus is 3 fist-widths to Saturn’s left. The moon is at perigee, less than 221,830 miles or 55.91 Earth-radii away. This is the moon’s closest approach of the year. Perigee occurs less than 1 hour after the full moon, so expect tidal extremes. Full Worm Moon at 1810 UT

USPS Star Calendar for 14 to 20 March 7 March 2010

Posted by amedalen in March 2010.
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14 Mar
Daylight saving time. Most of us set our clocks ahead one hour at 0200, when the time jumps forward to 0300. Officially there is no clock hour 0200 to 0300. The change is not made in American Samoa, Hawaii, Arizona (except the Navajo reservation), Saskatchewan, parts of British Columbia, Ontario, Quebec, Puerto Rico, the Virgin Islands and most countries closer to the equator than Mexico. Europe makes the change the last Sunday in March.

15 Mar
The Ides of March mark the day of Julius Caesar’s assassination. New moon at 2102 UT

16 Mar
The thin crescent moon sits low in the west at dusk, and magnitude -3.9 Venus is 3 finger-widths to its left. Use your binoculars.

17 Mar
It’s St. Patrick’s Day. Pinch anybody who isn’t wearing green.

20 Mar
The spring equinox occurs this afternoon as the sun crosses the celestial equator into the northern celestial hemisphere. Until 2007, the equinox fell on 20 or 21 March. From now until 2044, it will occur on 20 March. Afterward, it will sometimes occur on 19 March. This evening the moon passes close to the Pleiades. Use your binoculars.