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USPS Star Calendar for 28 April-4 May 21 April 2013

Posted by amedalen in April 2013, May 2013.
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28 Apr    Before first light, look for Antares 3 finger-widths to the moon’s lower right low in the southwest. Only three days past full, the moon is more than 90 percent illuminated.

1 May    May Day, related to the Celtic festival Beltane, features bonfires and maypoles.

2 May    Low in the southeast before dawn, the last-quarter moon is 2½ fist-widths below or to the lower left of bright magnitude 0.9 Altair.

4 May    Get out and enjoy the free light show during the next few moonless nights. Orion sets shortly after sunset, leaving Gemini in the west. Look 3 fist-widths to Gemini’s lower right to see magnitude 0.2 Capella, in the constellation Auriga, the Charioteer.

USPS Star Calendar for 14-20 April 7 April 2013

Posted by amedalen in April 2013.
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14 Apr    The waxing crescent moon is less than 2 finger-widths to Jupiter’s left or upper left at dusk.

15 Apr    Three prominent constellations surround the moon tonight: Orion to the lower left, Gemini to the upper left and Taurus to the lower right. Home to the navigational star Capella, the lesser-known constellation Auriga, the Charioteer, is to the moon’s upper right. The moon is at apogee, 63.48 Earth-radii, or 405,000 kilometers, away. The equation of time is zero, which means sundial (apparent solar) time and mean solar time are the same.

16 Apr    Gemini’s brightest stars, Pollux and Castor, are 1½ fist-widths above the moon tonight. Magnitude 1.9 Alhena is 1 finger-width below the moon. Less than a third of the moon’s surface is illuminated

17 Apr    The waxing crescent moon lies midway between magnitude 1.2 Pollux, 1 fist-width to the upper right, and magnitude 0.5 Procyon, to the lower left.

18 Apr    Procyon is a little more than 1 fist-width to the first-quarter moon’s lower right, and magnitude 1.3 Regulus is 2½ fist-widths to the moon’s upper left.

20 Apr    Regulus is less than 3 finger-widths above or to the upper left of the waxing gibbous moon, high in the south at dusk. About two-thirds of the moon’s surface is illuminated.