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USPS Star Calendar for 21-27 September 14 September 2014

Posted by amedalen in September 2014.
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21 Sep    The moon and Regulus rise 2½ hours before the sun. Jupiter is 1½ fist-widths above the moon, which is about 10 percent illuminated.

22 Sep    The autumnal equinox occurs at 1029 EDT.

23 Sep    The thin waning crescent moon rises a half hour before the sun. Venus is 2 finger-widths to the upper left. Less than 5 percent of the moon’s surface is illuminated.

24 Sep    The new moon makes the next few days perfect for exploring the evening sky. In the south, Mars is 2 finger-widths to the upper right of Antares.

25 Sep    In the north tonight, the Big Dipper appears horizontal at dusk, rotates counterclockwise and is near the horizon at midnight.

26 Sep    You can catch a quick glimpse of the thin waxing crescent moon low in the west at dusk. The moon sets two hours after the sun. The moon’s surface is less than 5 percent illuminated.

27 Sep    Magnitude 0.6 Saturn is 1 finger-width to the moon’s upper left low in the west as the sky darkens.

USPS Star Calendar for 14-20 September 7 September 2014

Posted by amedalen in September 2014.
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14 Sep    Rising shortly before midnight, the moon is high in the south at dawn.

15 Sep    High in the south before dawn, magnitude 1.1 Aldebaran is 3 finger-widths to the moon’s right. Orion is just below the moon.

16 Sep    Magnitude 0.6 Betelgeuse is 1 fist-width to the moon’s lower right this morning.

17 Sep    Magnitude 1.9 Alhena is 1 finger-width to the moon’s right before dawn. The bright star 2 fist-widths below the moon is magnitude 0.5 Procyon.

18 Sep    The moon lies between Procyon, 1 fist-width to the lower right, and Pollux, the same distance to the upper right. Jupiter is 2 fist-widths to the lower left.

19 Sep    Procyon is a little more than 1 fist-width to the moon’s right or upper right this morning. Jupiter is 1 fist-width to the lower left. About 25 percent of the moon’s surface is illuminated.

20 Sep    Regulus is 1½ fist-widths to the waning crescent moon’s lower left. Mercury and Spica pass within 0.55 degrees this evening. They set less than an hour after the sun, so you will need to look quickly as the sky darkens. The moon is at apogee, 63.63 Earth-radii (406,000 kilometers) away.

USPS Star Calendar for 7-13 September 31 August 2014

Posted by amedalen in September 2014.
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8 Sep     The moon is at perigee, 56.19 Earth-radii (358,000 kilometers) away. Perigee occurs 22 hours before the full moon, so we can expect extreme tides.

10 Sep    Rising an hour after sunset, the moon is high in the southeast by midnight.

11 Sep    High in the west before dawn, the moon is three days past full, and about 95 percent of its surface is illuminated.

13 Sep    Rising more than 3 hours after sunset, the waning gibbous moon is low in the east at midnight, with the Pleiades Cluster 4 finger-widths to its upper left

USPS Star Calendar for 31 August-6 September 24 August 2014

Posted by amedalen in August 2014, September 2014.
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31 Aug    The moon joins Saturn and Mars tonight. Saturn is 1 finger-width to the moon’s right, and Mars is 1½ finger-widths to the lower left. The moon is about 25 percent illuminated.

1 Sep    The moon is in the head of the Scorpion this evening. Antares, the Scorpion’s heart, is 1 fist-width to the lower left. Mars and Saturn are 1 fist-width to the lower right.

2 Sep    The first-quarter moon is low in the south at sunset. Antares is 1 fist-width to the lower right, and Sagittarius, the Teapot constellation, is to the lower left.

3 Sep    The waxing gibbous moon is 1 fist-width above the Teapot’s dome tonight.

5 Sep    Magnitude –3.9 Venus passes within 0.73 degrees of magnitude 1.3 Regulus low in the east before first light. They should be visible with binoculars after Venus rises, an hour before the sun.

6 Sep    As soon as the sky darkens tonight, look 3 fist-widths above or to the upper right of the moon for magnitude 0.9 Altair, in the constellation Aquila, the Eagle that carried thunderbolts for Zeus. About 85 percent of the moon’s surface is illuminated.

 

USPS Star Calendar for 24-30 August 17 August 2014

Posted by amedalen in August 2014.
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24 Aug    The moon is at apogee, 63.74 Earth-radii (407,000 kilometers) away. Now to Saturn’s left, Mars continues to move left while the ringed planet appears stationary against the background stars during the next few weeks.

27 Aug    Setting less than one hour after the sun, the waxing crescent moon is low in the west as the sky darkens. Magnitude –0.4 Mercury is 1 fist-width to the moon’s right. About 5 percent of the moon’s surface is illuminated.

28 Aug    The moon lies between Mercury, 2 fist-widths to the lower right, and magnitude 1.2 Spica, 1 fist-width to the upper left. The moon sets less than 1½ hours after the sun.

29 Aug    Low in the east at sunset, Spica is 1 finger-width to the moon’s lower right.

30 Aug    The waxing crescent moon lies between Spica, 1½ fist-widths to the lower right, and the planets Mars and Saturn, about 1 fist-width to the upper left. Mars is much farther to Saturn’s left.

 

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.

USPS Star Calendar for 10-16 August 3 August 2014

Posted by amedalen in August 2014.
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10 Aug    The moon is at perigee, 55.96 Earth-radii (357,000 kilometers) away. The closest perigee of the year occurs less than a half hour before the full moon. Check your tide tables for extreme tides.

11 Aug    The Perseid meteor shower peaks during the next few evenings. Unfortunately, the nearly full moon will outshine the meteors.

12 Aug    Rising an hour after sunset, the moon is low in the southeast by midnight.

13 Aug    High in the west before dawn, the bright star 6 fist-widths to the moon’s right is magnitude 1.3 Deneb, the brightest star in the constellation Cygnus, the Swan.

15 Aug    Low in the east before dawn, magnitude –3.9 Venus rises 15 minutes before magnitude –1.8 Jupiter, 1 finger-width away.

16 Aug    Venus and Jupiter rise 10 minutes apart this morning and are separated by less than a finger-width.

USPS Star Calendar for 3-9 August 27 July 2014

Posted by amedalen in August 2014.
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3 Aug    Tonight the first-quarter moon slides 4 finger-widths to Mars’ upper left. Saturn is 2 finger-widths to the moon’s upper left, and both set shortly after midnight.

4 Aug    At dusk the moon is 4 finger-widths to Saturn’s left. Mars and Saturn line up to the moon’s right. Antares is 1½ fist-widths to the moon’s lower left.

5 Aug    Antares is less than 4 finger-widths below the moon at dusk. Saturn is more than 2 fist-widths to the right.

7 Aug    The moon is high above the dome of the Teapot constellation Sagittarius.

8 Aug    At superior conjunction, Mercury passes on the other side of the sun, 1.347 AU away.

USPS Star Calendar for 27 July-2 August 20 July 2014

Posted by amedalen in August 2014, July 2014.
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28 Jul    The moon is at apogee, 63.74 Earth-radii (407,000 kilometers) away, the most distant apogee of the year.

29 Jul    A few hours before sunrise, Venus, Mercury and Jupiter rise in quick succession above the eastern horizon. Magnitude –3.9 Venus rises 2 hours before the sun, magnitude –1.3 Mercury comes up an hour later, and magnitude –1.8 Jupiter rises 40 minutes later as the sky brightens, making it harder to spot.

31 Jul    On this day in 1964, the U.S. reached the first Moon Race milestone when the Ranger 7 spacecraft transmitted more than 4,300 lunar photos before it crashed into the lunar surface, giving scientists detailed pictures and paving the way for future missions.

1 Aug    Low in the southwest at sunset, magnitude 1.2 Spica is 4 finger-widths to the left of the thin waxing crescent moon. Magnitude 0.4 Mars is 1 fist-width beyond Spica.

2 Aug    The moon is between Spica, 3 finger-widths to the lower right, and Mars, the same distance to the left.

USPS Star Calendar for 20-26 July 13 July 2014

Posted by amedalen in July 2014.
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21 Jul    High in the east before dawn, the Pleiades Cluster is 4 finger-widths to the waning crescent moon’s upper left, and magnitude 1.1 Aldebaran is a little more than 1 fist-width to the lower left.

22 Jul    The waning crescent moon passes within half a finger-width of Aldebaran this morning.

24 Jul    The thin waning crescent moon and Venus rise side-by-side less than 2 hours before sunrise. Mercury rises a half hour later. All three should be visible low in the east before the sky brightens.

25 Jul    Rising after Mercury this morning, a thin sliver of moon is 2 finger-widths to the planet’s lower right.

26 Jul    The equation of time reaches a shallow minimum of –6.54 minutes.

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