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USPS Star Calendar for 1-7 July 24 June 2012

Posted by amedalen in July 2012.
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1 Jul    Rising 2 hours before sunset, the moon and Antares will be low in the south after sunset with Antares 1 fist-width to the moon’s right. More than 90 percent of the moon’s surface is illuminated. The moon is at perigee, 56.81 Earth-radii (362,000 kilometers) away from the earth. Reaching its greatest elongation, 25.7 degrees east of the sun, Mercury is low in the west at nightfall, setting 1½ hours after the sun. With a clear view of the western horizon, you can see it easily as the sky darkens.

2 Jul    Rising an hour before sunset, the moon sits above the dome of the Teapot constellation, Sagittarius, late tonight.

5 Jul    Earth reaches aphelion, its farthest distance from the sun, at 0400 UT. We are almost 5 million kilometers (more than 3 million miles) farther from the sun than at perihelion on 3 Jan.

6 Jul    In the southwest before dawn, the moon is between Altair, 3 fist-widths to the upper right, and Fomalhaut, the same distance to the lower left.

7 Jul    Jupiter, Venus and Aldebaran form a nearly vertical line before dawn, with Jupiter at the top, Venus 2 finger-widths below and Aldebaran another ½ finger-width beyond.

USPS Star Calendar for 24-30 June 17 June 2012

Posted by amedalen in June 2012.
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25 Jun    Mars is 4 finger-widths above the moon in the southwest tonight. About one-third of the moon’s surface is illuminated.

26 Jun    This evening Mars is 1 fist-width to the moon’s upper right, and magnitude 0.7 Saturn is 2 fist-widths to the upper left. Magnitude 1.2 Regulus is just below Saturn.

27 Jun    Regulus is 2 finger-widths to the moon’s upper left tonight, and Saturn is 2 finger-widths above Regulus.

28 Jun    The moon is farther east tonight with Regulus and Saturn 1 fist-width to the upper right. Look high above the moon for magnitude 0.2 Arcturus.

30 Jun    Tonight the moon is in the head of the Scorpion with magnitude 1.1 Antares 3 finger-widths to the lower left.

USPS Star Calendar for 17-23 June 10 June 2012

Posted by amedalen in June 2012.
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17 Jun    Jupiter and the waning crescent moon rise 1½ hours before the sun. Jupiter is 1 finger-width to the moon’s upper right, the Pleiades Cluster is 2½ finger-widths above the moon, and brilliant Venus is 3 finger-widths to the moon’s lower left.

20 Jun    Summer begins at 2307 UT as the sun reaches its farthest point north of the celestial equator.

21 Jun    Look low in the west at dusk to see the thin waxing crescent moon close to the horizon with Mercury 4 finger-widths to the upper right.

23 Jun    An hour after sunset, look for the thin waxing crescent moon low in the west, 4 finger-widths below magnitude 1.3 Regulus.

USPS Star Calendar for 10-16 June 3 June 2012

Posted by amedalen in June 2012.
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10 Jun    In the south before dawn, magnitude 1.3 Fomalhaut is 2½ fist-widths below the waning gibbous moon.

11 Jun    The last-quarter moon rises 4½ hours before the sun and is high in the southeast at first light.

13 Jun    The moon rises 3½ hours before the sun, and just above the eastern horizon, brilliant magnitude -2.0 Jupiter rises 1 1/4 hours before sunrise.

16 Jun    The moon is at apogee, 63.62 Earth-radii (406,000 kilometers) away.