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Topic: Eta Aquarids

	Eta Aquarids - MSN Encarta
		Eta Aquarids, yearly meteor shower seen from the earth in April and May. Meteor showers are displays of light in the sky produced by meteors, or pieces of rock that enter the earth’s atmosphere from space.
		In the southern hemisphere, Eta Aquarius is easily visible during the darkest part of the night.
		In 1870 United States Lieutenant Colonel G. Tupman and scientists at the Italian Meteoric Association independently detected meteors from near the star Eta Aquarius in late April and early May. In 1876 British professor Alexander Herschel found that the meteor stream that causes the Eta Aquarids orbits in about the same path as Halley’s Comet.
	encarta.msn.com /encyclopedia_761587697/Eta_Aquarids.html (266 words)

	Eta Aquarids - Wikipedia, the free encyclopedia
		The Eta Aquarids are a meteor shower associated with Comet Halley.
		The Eta Aquarids get their name because their radiant appears to lie in the constellation Aquarius, near one of the constellation's brightest stars, Eta Aquarii.
		In 2005, the shower was favorably viewable because it occurred near a new moon.
	en.wikipedia.org /wiki/Eta_Aquarids (134 words)

	eta Aquarid meteor shower
		The Eta Aquarids are flakes of dust from Halley's Comet, which last visited Earth in 1986.
		In May we have the eta Aquarid meteor shower, in October the Orionids.
		Typical eta Aquarid meteors are as bright as a 3rd magnitude star.
	www.spaceweather.com /meteors/etaaquarids/etaaquarids.html (417 words)

	Eta Aquarids
		The eta Aquarids are typically fairly bright, and often leave persistent trains.
		Indeed, the eta Aquarids are the richest shower of the year for southern hemisphere observers with a Zenith Hourly Rate of ~50.
		The peak of the eta Aquarids is relatively flat, enough so that the RASC Observer’s Handbook 2003 predicts that maximum will occur on May 5 at 23h Universal Time (late afternoon in western Canada), while meteor expert Gary Kronk pegs the peak almost 12 hours later, at 10:25 UT on May 6.
	www.skyscan.ca /eta_aquarids.htm (674 words)

	Eta Aquarids
		The Eta Aquarid meteor shower is the first of two showers that occur each year as a result of Earth passing through dust released by Halley's Comet, with the second being the Orionids.
		The Eta Aquarids remained a poorly observed shower due to a lack of active meteor observers in the southern hemisphere.
		Using the orbit of Halley's comet as representing the center of the associated meteor stream, Hajduk noted that the Eta Aquarids occur when Earth is 0.065 AU from the stream's core, while the Orionids occur when Earth is 0.15 AU away.
	meteorshowersonline.com /eta_aquarids.html (1562 words)

	Meteors (Site not responding. Last check: 2007-10-29)
		Like most meteor showers, the eta Aquarids are named after the constellation containing the shower's radiant, a point in the sky from which the shooting stars appear to stream.
		The eta Aquarid's sister shower in October is called the Orionids, from the constellation Orion.
		The eta Aquarids are noted for unpredictable behavior, with secondary peaks that occur before or after the nominal maximum [ref].
	www.il-st-acad-sci.org /planets/meteors.html (561 words)

	aquarids
		This year (2005) the eta Aquarid meteors will be streaming from a point in the sky coincidentally close to Mars.
		The eta Aquarids are named after a star in the constellation Aquarius.
		(The radiant of a meteor shower is a point in the sky from which the meteors appear to stream.) The eta Aquarid's sister shower in October is called the Orionids, after the constellation Orion.
	www.vonbergen.net /html_images_open/eta_aquarids.htm (669 words)

	Astronomy News
		Earth is starting to pass through a stream of dust from Halley's Comet, to produce the annual eta Aquarid meteor shower.
		Eta Aquarid meteoroids are fast, travelling at 66 km/s, and often leave persistent trains.
		Twice a year, the Earth runs into this dusty detritus, producing the eta Aquarids in May and the Orionids in October.
	www.activeboard.com /forum.spark?forumID=58381&subForumID=150690&action=viewTopic&commentID=2856244&topicPage= (630 words)

	Meteors Down Under
		The first, on May 5th, is called the eta Aquarids and the second, on October 21st is called the Orionids.
		The nominal maximum of the eta Aquarids occurs at 11 UT on May 6, but the shower's peak is broad and there should be enhanced meteor activity between 10 UT on May 5 and 11 UT on May 6.
		The radiant of the eta Aquarids is located near Fomalhaut, a 1.3 magnitude star in the constellation Piscis Austrini.
	science.nasa.gov /newhome/headlines/ast03may99_1.htm (1843 words)

	[No title]
		The Eta Aquarid meteor shower is a relatively new shower, having been discovered and confirmed in the nineteenth century.
		The 2000 Eta Aquarid meteor shower was expected to peak at 17UT on May 5th.
		Eta Aquarids are known for being speedy (around 60 kilometers per second) and thus being bright with long lasting trails.
	www.theendoftheworld.org /astro/etaaquaridsradioproject.html (2847 words)

	Eta Aquarids (Site not responding. Last check: 2007-10-29)
		The eta Aquarids are typically fairly bright, and often leave persistent trains.
		Indeed, the eta Aquarids are the richest shower of the year for southern hemisphere observers with a Zenith Hourly Rate of ~50.
		The peak of the eta Aquarids is relatively flat, enough so that the RASC Observer’s Handbook 2003 predicts that maximum will occur on May 5 at 23h Universal Time (late afternoon in western Canada), while meteor expert Gary Kronk pegs the peak almost 12 hours later, at 10:25 UT on May 6.
	members.shaw.ca /weskyscan/eta_aquarids.htm (670 words)

	C&MS: Eta Aquarid History (Site not responding. Last check: 2007-10-29)
		Observations of the Eta Aquarids were rare, but, during 1876, Professor Alexander Stewart Herschel discovered something which at least began to generate a greater interest in the shower.
		The Eta Aquarids remained a poorly observed shower due to a lack of active meteor observers in the southern hemisphere.
		Using the orbit of Halley's comet as representing the center of the associated meteor stream, Hajduk noted that the Eta Aquarids occur when Earth is 0.065 AU from the stream's core, while the Orionids occur when Earth is 0.15 AU away.
	www.serve.com /wh6ef/comets/meteors/showers/eta_aquaridhistory.html (1615 words)

	(meteorobs) Re: Eta Aquarids???
		Kim, The Eta Aquarids will appear in any portion of the sky.
		If I were you I would face the northeast at a 60 degree elevation with the moon behind me and out out your field of view.
		Bob Lunsford "Kim S. Youmans" wrote: > I have a similar question...can we "northerners" expect our sparse ETA's > to appear in most any part of the sky...with the moon daily moving > towards the radiant the skies are darker opposite the radiant...
	www.meteorobs.org /maillist/msg13178.html (102 words)

	SPACE.com -- Get Set for the Eta Aquarid Meteors
		The Eta Aquarid shower is usually not as visible as several other meteor showers on view in the Northern Hemisphere, such as the Leonids, Perseids and Geminids.
		The Eta Aquarids are one of two annual showers caused by Halley's debris; the other shower, called the Orionids, occur each October.
		The Eta Aquarid shower is named after the star Eta Aquarius, which is close to the shower's radiant -- the point in the sky from which the flashes of light seem to come.
	www.space.com /scienceastronomy/astronomy/eta_aquarids_000504.html (337 words)

	Constellation Aquarius
		The Eta Aquarids shower is active between April 21 and May 12, from a radiant located in the north central portion of the constellation.
		The duration of the northern Delta Aquarids shower covers the period of July 16 to September 10.
		The northern Iota Aquarids have a duration from August 11 to September 10, with maximum activity on August 25th when the shower produces five too ten meteors per hour.
	www.nightskyinfo.com /constellations/aquarius (801 words)

	Meteors
		The eta aquarids and their sister shower, the October orionids are debris from comet Halley.
		The eta aquarids are moderately swift, and have a high proportion of bright meteors.
		One of my most enjoyable times observing the eta aquarids was in 1984 when I spent two weeks at the Wolf Creek meteorite crater observing the shower.
	www.montgomerycollege.edu /faculty/~mclark/public_html/meteors.htm (1652 words)

	May 2000 SJAA Ephemeris (Site not responding. Last check: 2007-10-29)
		This month's major shower, the Eta Aquarids is moonlit free.
		The other is the October Orionids, and like the Orionids, Eta Aquarids are very swift, bright, and frequently leave persistent trains.
		Both showers show a variable number of submaxima around their main peak, although the Eta Aquarids peak is generally the highest of wither shower.
	ephemeris.sjaa.net /0005/f.html (129 words)

	Austech.Info - Meteor Shower Eta Aquarids May 7
		For the few days or so the the Eta Aquarids meteor shower will be visible to the east in the morning sky from around 2:30 am until dawn twilight.
		The Eta Aquarids, peaks on the night of May 7, 2003, its particles come from the Halley comet.
		The "typical" Eta Aquarid is rather bright, averaging about 3rd magnitude.
	www.austech.info /showthread.php?t=43773 (928 words)

	Constellation Aquarius
		The meteor shower of the March Aquarids belong to the daylight showers.
		The Southern Delta Aquarids have a duration from July 14th to August 18th with a maximum hourly rate of 15-20 on July 29th.
		Finally the shower of the Eta Aquarids is visible during the period of April 21th to May 12th.
	seds.lpl.arizona.edu /Maps/Stars_en/Fig/aquarius.html (724 words)

	Dutch Meteor Society (DMS): Eta Aquarids 2000 results
		A second possible eta Aquarid appeared at 1:38, a faint +5 trailing from southern Lacerta to the Dra-Cep border.
		The brightest ones were a magnitude 0 and +1 eta Aquarid and a magnitude 2 eta Lyrid.
		The theoretical radiant position of Iras-Araki-Alcock meteors (eta Lyrids) is at RA 19h 15m, dec. +44, on the Lyra/Cygnus border, and indeed this is where Koen and I see our eta Lyrid meteors coming from for several years now.
	home.planet.nl /~terkuile/eta-aquarids/2000/results.html (2791 words)

	SPACE.com -- Meteor Shower Thursday and Friday Morning
		The annual eta Aquarid shower is not among the best, but it can put on a good display in the early morning hours.
		The eta Aquarids are named for the fact that they emanate from the constellation Aquarius.
		The eta Aquarids are known for producing dramatic Earth-grazing meteors for U.S. viewers, because the shower's radiant from the states is low on the horizon.
	www.space.com /spacewatch/050504_meteor_shower.html (469 words)

	Universe Today - Eta Aquarid Meteor Shower Peaks on May 6 (Site not responding. Last check: 2007-10-29)
		Eta Aquarid Meteor Shower Peaks on May 6
		Thu, 05 May 2005 - Skywatchers are in for a treat tonight as the eta Aquarid meteors will be putting on a show.
		Observers in the southern hemisphere should be able to see 15-60 meteors an hour depending on the darkness of the skies.
	www.universetoday.com /am/publish/eta_Aquarid_2005.html (694 words)

	Earth Change News on Earth Changes TV on the Web
		The eta Aquarid (ETA) meteor shower reaches a maximum on May 5th this year, at about 23 hours Universal Time (UT).
		Unfortunately, we also have a bright moon for this year's eta Aquarids, so the faintest meteors will not be seen.
		Eta Aquarid meteors can be seen in lesser numbers until about May 28th.
	www.earthchangestv.com /breaking/May_2001/0504aquarids.htm (469 words)

	An Exploration of Meteor Angular Speeds
		While the Eta Aquarids never reached spectacular rates in their race with the morning twilight during that trip, they frequently produced a very pretty opening "salvo."
		A close inspection of my data from that trip also revealed another interesting aspect to those rare pre-radiant-rise Aquarids: dividing the meteor's angular distance by the meteor's duration showed a higher average angular speed than any others recorded during that night, especially if the grazer passed near the zenith in its path.
		Obviously, the term "swift" to describe the Eta Aquarids was more of a general observation than a set speed, with a whole range of angular speeds possible depending upon the meteor's location with respect to the radiant point and the observer's zenith.
	www.amsmeteors.org /richardson/angspeed.html (1773 words)

	Eta Aquarids May 4/5 & May 16th lunar eclipse lunar impacts possible (Site not responding. Last check: 2007-10-29)
		Essentially all of the unlit, Earth-illuminated section of the Moon is positioned to receive impacts, with regions near and south of the lunar equator being most favored.
		The eastern (celestial or leading) hemisphere is the best to watch for meteor impacts, especially in the regions recommended for the eta Aquarid shower.
		I will be back to make my own video observations of the eta Aquarid lunar meteors (weather permitting) late on the 4th of May. Any questions about these upcoming events should be sent to me, if possible, before the 26th, for timely response that would be most helpful to you.
	iota.jhuapl.edu /cudnk424.htm (700 words)

	eta Aquarid meteor shower
		The 2003 eta Aquarid meteor shower peaks on Tuesday, May 6th.
		No matter where you live, the best time to look is the same: during the hours before local sunrise on Tuesday morning.
		Simply look up; eta Aquarid meteors can appear in any part of the sky.
	hea-www.harvard.edu /hrc.ARCHIVE/2003/2003127.000000-2003127.240000/SpaceWeather/meteors/etaaquarids/etaaquarids.html (549 words)

	eta Aquarid meteor shower
		The 2004 eta Aquarid meteor shower peaks on May 5th and 6th.
		If you do wake up early to see the shower, simply look up; eta Aquarid meteors can appear in any part of the sky.
		: This image shows the area of sky around the eta Aquarid radiant (indicated by a red dot) as seen from Australia at 6 a.m.
	hea-www.harvard.edu /hrc.ARCHIVE/2004/2004126.000000-2004126.240000/SpaceWeather/meteors/etaaquarids/etaaquarids.html (576 words)

	Hunting for Halley's Comet in 'Near Space' (Site not responding. Last check: 2007-10-29)
		CDT on May 8th, just 36 hours after the peak of the eta Aquarids meteor shower.
		While NASA scientists continue to analyze the Leonids meteoroid candidates from 1998, the Marshall Space Flight Center is working with the Kansas Near Space Project in an attempt to capture particles from Halley's comet.
		"Eta Aquarids hit the atmosphere at 140,000 mph and conventional wisdom says they lose most of their kinetic energy right away, about 80 km above the stratosphere.
	www.spacescience.com /newhome/headlines/ast07may99_1.htm (1523 words)

	Wandering Star - Astronomy Skywatch
		The Eta Aquarid Meteor Shower peaks this month and the moon occults two planets and a fixed star.
		This is one of the best meteor showers this year because the moon does not interfere and the radiant climbs high enough to produce a good display.
		Due to the height of the ecliptic this time of year in the southern hemisphere, the radiant of Eta Aquarids will be nearly overhead by sunrise.
	www.wstardesigns.com /Horoscopes/astronomy_skywatch/astronomy_skywatch0505.html (2429 words)

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