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Earthsky Tonight – April 15: Catch the moon and Mercury after sunset
Posted By Gary Wamsley On April 15, 2010 @ 12:35 am In Earth & Sky | Comments Disabled
Courtesy of EarthSky
A Clear Voice for Science
 Did you see the planet Mercury adorning the evening twilight earlier this month? On our April 8  program, for instance, we showed you Mercury next to the blazing planet Venus at dusk and early evening.
Be forewarned. Mercury will be much harder to find this evening than it was at that time. Mercury will be several to many times fainter than it was in late March and early April. Moreover, Mercury will set about 45 minutes earlier after sunset  than it did a week ago. What’s more, Mercury and the blazing planet Venus will no longer appear in the same binocular field together.
You will almost certainly need binoculars and an unobstructed horizon to catch Mercury after sunset. However, this world shines only about one degree (two moon-diameters) beneath the whisker-thin waxing crescent moon  at dusk. Find the moon to the lower right of Venus, and use binoculars to locate Mercury below the moon. However, then, you might even need binoculars to spot tonight’s moon!
New moon fell yesterday, at 7:29 a.m. Central Time . Catch the young moon  this evening, and it might be the youngest moon you have ever seen. Try searching for the moon and Mercury about 35 to 55 minutes after sundown.
Written by Bruce McClure
CHANDRA Photo Album 
StarDate Online 
Sky and Telescope 
National Geographic 
Space Com 
Amazing Space 
Scope City 
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URL to article: http://www.berthoudrecorder.com/earthsky-tonight-april-15-catch-the-moon-and-mercury-after-sunset/
URLs in this post:
 www.EarthSky.org: http://www.EarthSky.org
 Image: http://www.berthoudrecorder.com/wp-content/uploads/2010/04/phase15.gif
 Image: http://www.berthoudrecorder.com/wp-content/uploads/2010/04/10apr15_430.jpg
 April 8: http://earthsky.org/es-tonight/mercury-at-greatest-evening-elongation-on-april-8
 sunset: http://earthsky.org/tonightpost/astronomy-essentials/sunrisesunset-moonrisemoonset-almanacs
 waxing crescent moon: http://earthsky.org/tonightpost/moon-phases/waxing-crescent
 Central Time: http://earthsky.org/tonightpost/astronomy-essentials/universal-time
 young moon: http://earthsky.org/faqpost/space/young-moon-visibility
 http://tycho.usno.navy.mil/cgi-bin/phase.gif: http://tycho.usno.navy.mil/cgi-bin/phase.gif
 Astronomy Picture of the Day from NASA/JPL: http://antwrp.gsfc.nasa.gov/apod/
 CHANDRA Photo Album: http://chandra.harvard.edu/photo/
 U.S. Naval Observator Astronomical Information cente: http://www.usno.navy.mil/USNO/astronomical-applications/astronomical-information-center/astronomical-information-center
 StarDate Online: http://stardate.org/
 Sky and Telescope: http://www.skyandtelescope.com/observing/ataglance/
 National Geographic: http://news.nationalgeographic.com/news/
 Space Com: http://www.space.com/nightsky/
 Amazing Space: http://amazing-space.stsci.edu/tonights_sky/
 The York County Astronomical Society: http://www.ycas.org/tonights_sky.htm
 Scope City: http://www.scopecity.net/
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