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Topic: Eugene Delporte

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	The Constellations 1
		(For a scan of the original published list, plus a discussion of how the final choice came about, click here.) These names, along with the first official constellation boundaries, were enshrined in two IAU books authored by Eugène Delporte, Délimitation scientifique des constellations and Atlas Céleste, published in 1930.
		These books by Delporte remain the definitive references on the naming and delineation of the constellations.
		Unfortunately, the IAU itself upset this happy consensus in 1932 when it agreed a second list of names with alternative four-letter abbreviations.
	www.ianridpath.com /constellations1.htm (244 words)

	Eugène Joseph Delporte - Wikipedia, the free encyclopedia
		Eugène Joseph Delporte (January 10, 1882 – October 19, 1955) was a Belgian astronomer.
		In 1930 he fixed the modern boundaries between all of the constellations in the sky, along lines of right ascension and declination for the epoch B1875.0.
		Delporte crater on the Moon is named after him.
	en.wikipedia.org /wiki/Eug%C3%A8ne_Joseph_Delporte (136 words)

	Articles - List of constellations by area (Site not responding. Last check: 2007-10-24)
		Here is a list of the 88 modern constellations by their area in the sky, measured in square degrees.
		These areas are determined by constellation boundaries drawn up by EugÃ¨ne Delporte in 1930 on behalf of the IAU and published in DÃ©limitation scientifique des constellations (Cambridge University Press).
		Delporte drew the boundaries along vertical and horizontal lines of right ascension and declination; however, he did so for the epoch B1875.0, which means that due to precession of the equinoxes, the borders on a modern star map (eg, for epoch J2000) are already somewhat skewed and no longer perfectly vertical or horizontal.
	www.kimia-sains.com /articles/List_of_constellations_by_area (196 words)

	Astronomical naming conventions (Site not responding. Last check: 2007-10-24)
		In 1930, the boundaries of these constellations were fixed by Eugène Joseph Delporte and adopted by the IAU, so that now every point on the celestial sphere belongs to a particular constellation.
		The Martian nomenclature was clarified in 1958, when a committee of the IAU recommended for adoption the names of 128 albedo features (bright, dark, or colored) observed through ground-based telescopes (IAU, 1960).
		Thus, the famous Comet Shoemaker-Levy 9 was the ninth comet jointly discovered by Carolyn Shoemaker, Eugene Shoemaker and David Levy, but its official name is D/1993 F2 (it was discovered in 1993 and the prefix "D/" indicates it has "disappeared", since it was observed to crash into Jupiter.
	www.sciencedaily.com /encyclopedia/astronomical_naming_conventions (2297 words)

	startales1c (Site not responding. Last check: 2007-10-24)
		On behalf of the IAU a Belgian astronomer, Eugène Delporte (1882–1955), then drew up a definitive list of boundaries for these 88 constellations.
		Delporte’s work, published in 1930 in a book called Délimitation Scientifique des Constellations, amounts to an international treaty on the demarcation of the sky, which astronomers throughout the world have conformed to ever since.
		Official boundaries to the constellations were fixed in 1930 by a Belgian astronomer, Eugène Delporte, acting on behalf of the International Astronomical Union.
	users.macunlimited.net /ianrid/startales/startales1c (1345 words)

	constellation on Encyclopedia.com (Site not responding. Last check: 2007-10-24)
		The final list consists of 88 constellations, each associated with a definite region of the sky.
		Thus, the entire celestial sphere is divided according to a plan prepared by Eugene Delporte, with the boundaries fixed by international agreement in 1930, along lines of right ascension and declination (see equatorial coordinate system).
		The 12 constellations located along or near the ecliptic, the apparent path of the sun through the heavens, are known as the constellations of the zodiac ; the remaining constellations are officially classified as northern (28 constellations) or southern (48 constellations).
	www.encyclopedia.com /html/c1/constell.asp (825 words)

	C&MS: 57P/du Toit-Neujmin-Delporte
		Neujmin confirmed his observation on July 29.90, and radiogrammed the news from Moscow to Harvard, but the same wartime conditions caused this message to take nearly 20 days to arrive, thus, keeping the official announcement from being widely published until August 22.
		A few days later, word came that Eugéne Joseph Delporte (Royal Observatory, Uccle, Belgium) had independently found this comet on August 19.87.
		He had estimated the magnitude as 9, and said the comet was diffuse, with a central condensation.
	www.cometography.com /pcomets/057p.html (1035 words)

	ESA - Space Science - Asteroids: Families of asteroids
		However, if the orbit becomes smaller and more elliptical, then asteroids can draw close to - or even collide with - the inner planets.
		Eugene Delporte, in Belgium, made the first discovery in March 1932 when he discovered asteroid Amor.
		This space rock spends over half its orbit outside the main belt and actually crosses Mars's orbit.
	www.esa.int /esaSC/SEMM04W4QWD_index_0.html (399 words)

	A/CC Catalog: Asteroids 500-3999 (Site not responding. Last check: 2007-10-24)
		AKA: 1932 LA 1222 Tina was discovered 11 June 1932 by Eugene J. Delporte in Belgium.
		AKA: 1936 CA 2101 Adonis was discovered on 12 Feb. 1936 by Eugene J. Delporte.
		It is suspected to be an inactive comet nucleus possibly associated with Capricornid and Sagittariid meteor showers.
	www.hohmanntransfer.com /cat/an2.htm (1988 words)

	[No title] (Site not responding. Last check: 2007-10-24)
		D.A. Pickup for useful discussions about the format of Delporte's lists and the effect of precession on the shape of the constellation boundaries and to Dr. W.H. Warren Jr.
		This work was carried out as part of a contract with the Edinburgh publishers John Bartholomew and Son Ltd. to provide data for a revised edition of `Norton's Star Atlas'.
		References: "Delimitation scientifique des constellations (tables et cartes)", Delporte, Eugene 1930, (Cambridge:At the University press)=1930QB802.D4.......
	xml.gsfc.nasa.gov /pub/adc/xml_archives/catalogs/6/6049/6049_readme.txt (241 words)

	Curious About Astronomy: What are the boundaries of the constellations?
		The boundaries of the constellations are set by convention, and are indeed defined in RA and DEC, epoch 1875.
		First proposed by Eugene Delporte in 1930, the boundaries were soon adopted by the International Astronomical Union for naming purposes.
		You can see the exact boundaries in most serious amateur astronomy star charts, such as the Sky Atlas by W. Tirion.
	curious.astro.cornell.edu /question.php?number=115 (189 words)

	Constellation Boundaries (Site not responding. Last check: 2007-10-24)
		The lines in the following star chart are the constellation boundaries.
		In the early part of 1900, Eugene Delporte authored a paper in which he divided the sky into areas based in part on accepted constellation figures.
		Note how the boundaries divide the sky into regions and how these regions indicate what constellation each object lies within.
	www.bisque.com /help/Patterns/patterns/constellation_boundaries.htm (78 words)

	The Crater Company - Moon Crater Catalog - Index Of Named Lunar Craters (Site not responding. Last check: 2007-10-24)
		He was appointed chairman of the Radio Technical Commission for Aeronautics in 1941, and held the same position on the Radio Technical Commission for Marine Services beginning in 1947.
		Eugene J.; Belgian astronomer (1882-1955); the celestial sphere is divided according to a plan he prepared (Delimitation Scientifique des Constellations) in 1930, with the boundaries fixed by the International Astronomical Union along lines of right ascension and declination.
		Jean Andre ~ (1727-1817), Swiss businessman, geologist and meteorologist; made numerous scientific excursions in the Alps, on whose natural history he became an authority.
	www.cratercompany.com /catalog/crater_d.shtml (3875 words)

	Edward Norton - Disney items n more, disney merchandice, disney characters, disney, world of disney (Site not responding. Last check: 2007-10-24)
		[[Carolyn S. ShoemakerC. Shoemaker]], [[Eugene M. ShoemakerE. Shoemaker]]-
		[[Eleanor F. HelinE. Helin]], [[Eugene M. ShoemakerE. Shoemaker]]-
		[[Eugene A. HarlanE. Harlan]], [[Arnold R. KlemolaA. Klemola]]-
	www.disneyitemsnmore.com /s-Edward-Norton-578.html (1364 words)

	Toutatis Home Page
		After a few nights of observations, orbital elements came out which told us that the asteroid was an Apollo object.
		A few weeks afterwards, a former observation made by Eugene and Carolyn Shoemaker in the summer of 1988 was reported.
		This observation greatly extended the observed arc, which allowed to find a much older observation made by the belgian astronomer Eugene Delporte in 1933.
	www.astrosurf.com /maury/asteroides/toutatis.html (1067 words)

	Astronomy.com blog : October 2006 - Posts
		The list depended on which map you chose to use.
		This group quickly set about formalizing constellation boundaries, and, in 1928, a committee under the direction of Belgian astronomer Eugene Delporte produced the final constellation list with official borders.
		As a budding amateur astronomer, you might be thinking, "88 constellations?
	www.astronomy.com /ASY/CS/blogs/astronomy/archive/2006/10.aspx (7485 words)

	Alliance Of Overclocking Arts - Near Earth Asteroids
		Scientists think that there are between 500 and 2000 near-Earth asteroids larger than 1 kilometre in diameter.
		In March 1932, Eugene Delporte, in Belgium, discovered the asteroid Amor, which spends over half its orbit outside the main belt and actually crosses Mars's orbit.
		It comes close to Earth's orbit before heading outwards again.
	www.aoaforums.com /forum/printthread.php?t=9638 (1718 words)

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