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USPS Star Calendar for 17-23 August 10 August 2014

Posted by amedalen in August 2014.
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17 Aug    This morning, Jupiter rises 5 minutes after Venus, less than a half a finger-width away. High in the southeast before dawn, the last-quarter moon forms a line with 3 first-magnitude stars: magnitude 1.1 Aldebaran 1½ fist-widths to the lower left, magnitude 0.6 Betelgeuse 2 fist-widths beyond Aldebaran, and magnitude 0.5 Procyon 2½ fist-widths farther, near the horizon.

18 Aug    Rising a minute later than Jupiter, Venus slides to Jupiter’s left this morning as they pass within 0.21 degrees. Aldebaran is 2 finger-widths to the waning crescent moon’s lower left. The Pleiades Cluster is 1 fist-width above the moon.

19 Aug    Venus quickly falls away from Jupiter. Separated by a half a finger-width, Venus rises 6 minutes after Jupiter. Betelgeuse is 1½ fist-widths below the moon this morning.

20 Aug    Before dawn Betelgeuse is 1 fist-width to the moon’s lower right, and Procyon is 2½ fist-widths below the moon.

21 Aug    The Gemini Twins, Pollux and Castor, are 1½ fist-widths to the moon’s left before dawn. Pollux is the brighter twin. The second-magnitude star 2 finger-widths to the moon’s upper right is magnitude 1.9 Alhena, also in Gemini. Low in the south early tonight, Mars and Saturn are 1½ fist-widths to the right of Scorpius’ head. Mars is 2 finger-widths to Saturn’s lower right and slides to the left during the next few nights.

22 Aug    The waning crescent moon lies between Procyon, 1 fist-width to the lower right, and Pollux, a little farther to the upper left. Less than 10 percent of the moon’s surface is illuminated.

23 Aug    Rising 1½ hours before the sun, the moon, Venus and Jupiter are clustered within 4 finger-widths near the horizon at first light. Mars is directly below Saturn tonight. The third-magnitude star 1 finger-width to Mars’ upper right is magnitude 2.9 Zubenelgenubi, which represents the top of Libra’s scales.


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