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USPS Star Calendar for 22-28 May 15 May 2011

Posted by amedalen in May 2011.
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22 May    High in the south at dawn, Altair is 2.5 fist-widths to the moon’s upper right.

24 May    Cygnus, the Swan, is directly overhead just before dawn. Magnitude 1.3 Deneb is the brightest star of the constellation. Last-quarter moon at 1852 UT

25 May    Cassiopeia, the “lazy W” constellation, is far left of the moon, which rises 4 hours before the sun.

27 May    The moon is at apogee, 63.5 Earth-radii away. A little more than 25 percent of the moon’s surface is illuminated.

28 May    The waning crescent moon rises less than 3 hours before the sun. Jupiter rises nearly an hour after the moon. Get out your binoculars and look low in the east before dawn; Jupiter is 1 fist-width to the moon’s lower left. About 20 percent of the moon’s surface is illuminated.

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