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USPS Star Calendar for 15-21 April 8 April 2012

Posted by amedalen in April 2012.
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15 Apr    The equation of time is zero, which means apparent (sundial) and mean solar (clock) time are the same. At opposition, Saturn rises around sunset. Spica is 2 finger-widths to the right.

16 Apr    The thin waning crescent moon rises 2½ hours before the sun. Less than 25 percent of the moon’s surface is illuminated.

18 Apr    At its greatest elongation west of the sun, 27.5 degrees, Mercury rises nearly a half hour before the sun.

19 Apr    The moon and Mercury rise side by side an hour before sunrise. Only about 5 percent of the moon’s surface is illuminated.

21 Apr    The Lyrids meteor shower peaks tonight and tomorrow morning, and the new moon makes for favorable viewing.