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USPS Star Calendar for 16-22 June 9 June 2013

Posted by amedalen in June 2013.
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16 Jun    High in the southwest at dusk, the first-quarter moon sits between Regulus, 3 fist-widths to the right or lower right, and Spica, 2 fist-widths to the left. Venus and Mercury pass close to each other during the next few evenings. Tonight Venus is 1½ finger-widths to Mercury’s lower right. On this day in 1963, Valentina Tereschkova became the first woman in space.

17 Jun    Moving closer, the moon is about 1 fist-width to Spica’s right tonight. Can you make out dim stars between the moon and Spica? You will need good binoculars to see magnitude 4.9 psi Virginis and magnitude 5.3 49 Virginis. 

18 Jun    The waxing gibbous moon is high in the south at sunset. Magnitude 1.2 Spica is 2 finger-widths to the upper right, and magnitude 0.4 Saturn is 4 finger-widths to the upper left. Low in the west, Venus is 1 finger-width to the right of Mercury. About two-thirds of the moon is illuminated.

19 Jun    Saturn is 4 finger-widths to the moon’s upper right tonight.

20 Jun    Tonight, the moon is to the right of Scorpius, the head of the Scorpion. Low in the west at dusk, Mercury is 1.9 degrees to the lower left of Venus.

21 Jun    Magnitude 1.1 Antares, the heart of the Scorpion, is 3 finger-widths to the moon’s lower right tonight. The summer solstice occurs at 0504 UT, as the sun reaches the point farthest north of the celestial equator.