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USPS Star Calendar for 5-11 June 29 May 2011

Posted by amedalen in June 2011.
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5 Jun    The moon remains above the horizon for 3 hours after sunset. As twilight fades, look 1.5 fist-widths below the moon for magnitude 0.5 Procyon and the same distance to the right for the Gemini Twins. As the sky darkens, look high in the north for the Big Dipper, Ursa Major, with its handle pointing up.

6 Jun    Regulus is 1 fist-width to the waxing crescent moon’s upper left this evening. The Gemini Twins are far to the lower right. About 20 percent of the moon’s surface is illuminated.

7 Jun    Regulus is less than 4 finger-widths to the moon’s upper right tonight. Saturn is far to the upper left.

8 Jun    The moon is midway between Regulus, to the right or upper right, and Saturn, to the upper left.

9 Jun    Saturn is 1 fist-width to the moon’s upper left, high in the south at dusk. Spica is 2 fist-widths to the left. First-quarter moon at 0211 UT

10 Jun    Spica is 3 finger-widths to the moon’s left or upper left tonight. Magnitude 0.8 Saturn is 1 fist-width to the upper right. Get out your binoculars and try to spot magnitude 2.9 Porrima less than one-quarter degree to Saturn’s upper right.

11 Jun    Spica is less than 1 fist-width to the moon’s upper right tonight. Arcturus is 3.5 fist-widths above the moon. About 75 percent of the moon’s surface is illuminated.

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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.

USPS Star Calendar for 31 October to 6 November 24 October 2010

Posted by amedalen in November 2010, October 2010.
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31 Oct
Happy Halloween.

1 Nov
Magnitude 1.3 Regulus is 4 finger-widths above the thin waning crescent moon high in the southeast before dawn. Today is All Saints’ Day.

2 Nov
The moon is midway between Regulus, 2 fist-widths to the upper right, and magnitude 0.9 Saturn, 2 fist-widths to the lower left. The star less than 1 finger-width above Saturn is magnitude 2.9 Porrima. Use binoculars.

3 Nov
Low in the east before first light, magnitude 0.9 Saturn is 4 finger-widths to the moon’s lower left, and magnitude 1.2 Spica is directly below Saturn close to the horizon. Magnitude -4.1 Venus is 3 finger-widths below Spica, barely above the horizon depending on your latitude. Try to catch a glimpse before the sky brightens. Venus climbs higher as the days pass. The moon is at perigee, 57.16 Earth-radii away. Use binoculars.

4 Nov
A sliver of moon is visible low in the east before dawn. Magnitude 1.2 Spica is 2 finger-widths to the moon’s lower left, magnitude 0.9 Saturn is 1 fist-width to the moon’s upper left, and magnitude 0.2 Arcturus, in the constellation Boötes the Herdsman, is 3 fist-widths to Spica’s upper left. The Big Dipper stands on its handle far to the upper left. Use binoculars.

6 Nov
New moon at 0452 UT