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	Hevelius, Johannes (1611-1687)
		Hevelius (Hewelke) studied Law at Leiden in 1630, then spent the years 1632-1643 traveling to Switzerland, London, and Paris, where he came in contact with various astronomers, including Pierre Gassendi (1592-1655).
		Between 1642 and 1645, Hevelius deduced a fairly accurate value for the solar rotation period and gave the first description of the bright markings in the neighborhood of sunspots, calling them “faculae,” a name still used.
		Hevelius planned a new star catalogue of the northern hemisphere to supercede that of Tycho Brahe.
	www.daviddarling.info /encyclopedia/H/Hevelius.html (426 words)

	Johannes Hevelius - Works
		Johannes Hevelius (Latin), also called Johann Hewelke, Johannes Höwelcke or Johannes Hewel (in German), or Jan Heweliusz (in Polish), (born January 28, 1611 – died January 28, 1687), was a councillor and mayor in Danzig (Gdańsk).
		Hevelius was born in Danzig in a time when the city was part of the Polish-Lithuanian Commonwealth.
		Hevelius made observations of sunspots, 1642–1645, devoted four years to charting the lunar surface, discovered the Moon's libration in longitude, and published his results in Selenographia sive Lunae Descriptio (1647), a work which entitles him to be called the founder of lunar topography.
	encyclopedia.stateuniversity.com /pages/11702/Johannes-Hevelius.html (421 words)

	Johannes Hevelius - Search Results - MSN Encarta
		Johannes Hevelius, also called Johannes Hewel, Johann Hewelke, Johannes Höwelcke in German, or Jan Heweliusz (in Polish), (January 28, 1611 – January 28, 1687), was a...
		Johannes Hevelius [Hewelke] (1611-1687), from a portrait in his 1647 Selenographia.
		Johannes Hevelius - FREE Johannes Hevelius Biography
	encarta.msn.com /Johannes_Hevelius.html (175 words)

	Johannes Hevelius - Encyclopedia.com
		hexameters to the Danzig mathematician Johannes Hevelius, French verse to a Leipzig acquaintance...
		Johannes Hevelius' rendering of Orion (inset) is from his Uranographia (1690).
		The field once was dominated by men such as Johannes Hevelius, a 17th century brewing merchant who charted the moon's surface, and Frederick Herschel, a musician who discovered...
	www.encyclopedia.com /doc/1E1-Hevelius.html (889 words)

	Johannes Hevelius - Definition, explanation
		Johannes Hevelius or Johann Hewelke or Johannes Hewel (German) or Jan Heweliusz (Polish) (January 28, 1611-January 28, 1687) was a Polish astronomer; called the founder of lunar topography.
		Hevelius made observations of sunspots, 1642-1645, devoted four years to charting the lunar surface, discovered the Moon's libration in longitude, and published his results in Selenographia (1647), a work which entitles him to be called the founder of lunar topography.
		Hevelius had his book printed in his own house, at lavish expense, and himself not only designed but engraved many of the plates.
	www.calsky.com /lexikon/en/txt/j/jo/johannes_hevelius.php (441 words)

	Johannes Hevelius information - Search.com
		Johannes Hevelius (Latin), also called Johann Hewelke or Johannes Hewel (in German), or Jan Heweliusz (in Polish), (born January 28 1611 – died January 28 1687), was a councillor and mayor in Danzig (Gdańsk).
		Hevelius was born in 1611 in the Polish-Lithuanian Commonwealth and Hanse city of Gdańsk (Danzig) to a family of wealthy brewing merchants of Bohemian origins.
		Hevelius made observations of sunspots, 1642–1645, devoted four years to charting the lunar surface, discovered the Moon's libration in longitude, and published his results in Selenographia sive Lunae Descriptio (1647), a work which entitles him to be called the founder of lunar topography.
	www.search.com /reference/Johannes_Hevelius (688 words)

	Johannes Hevelius
		Johannes Hevelius (January 28, 1611-January 28, 1687) was a German astronomer; called the founder of lunar topography.
		Hevelius made observations of sunspots, 1642-1645, devoted four years to charting the lunar surface, discovered the moon’s libration[?] in longitude, and published his results in Selenographia (1647), a work which entitles him to be called the founder of lunar topography[?].
		Hevelius had his book printed in his own house, at lavish expense, and himself not only designed but engraved many of the plates.
	www.ebroadcast.com.au /lookup/encyclopedia/jo/Johannes_Hevelius.html (376 words)

	Johann Hevelius, forgotten pioneer of the pendulum clock.
		Johann Hevelius, forgotten pioneer of the pendulum clock.
		Johann Hevelius was the son of the successful Danziger merchant and beer brewer, Abraham Hewelke.
		Hevelius requested the help of the clockmaker, Wolfgang Günther, and that of an unnamed Swedish royal instrument-maker, to construct his two prototypes of pendulum clocks.
	www.antique-horology.org /_Editorial/Hevelius (1282 words)

	Johannes Hevelius
		Hevelius was said to have exceptionally keen eyesight, to the point of being able to see stars of the seventh magnitude.
		In the early 1670s Hevelius was drawn in what became a heated controversy with John Flamsteed (1646-1719) and later Robert Hooke (1635-1703), who advocated the use of telescope and micrometers for accurate determinations of stellar positions.
		Hevelius used his sunspots observations to determine the solar rotation period to a much better accuracy than his predecessors.
	www.hao.ucar.edu /Public/education/bios/hevelius.html (513 words)

	HOOKE, Robert, Animadversions on the first part of the Machina Coelestis of... Johannes Hevelius... Together with an ...
		'Hevelius, though he was in the forefront of the development of telescopes for qualitative observation, had set his face resolutely against the application of telescopic sights to the traditional measuring instruments...
		Hooke took the opportunity to introduce the fundamental point on which he based the whole of his case for telescopic sights, that there is a limit to the natural resolving power of the human eye: 'the naked eye cannot distinguish an Angle much smaller than a minute, and very few to a whole minute' [p.
		Hevelius defended his position again in a letter to Oldenburg, part of which Hooke printed, with his rejoinder, in Animadversions" ('Hooke's instruments for astronomy and navigation', pp 21-32 in Robert Hooke: New Studies, M. Hunter & S. Schaffer eds).
	www.polybiblio.com /watbooks/2505.html (1195 words)

	Reference.com/Encyclopedia/Johannes Hevelius
		Johannes Hevelius (Latin), also called Johannes Hewel, Johann Hewelke, Johannes Höwelcke in German, or Jan Heweliusz (in Polish), (born January 28 1611 – died January 28 1687), was a Protestant councillor and mayor in Danzig (Gdańsk), Polish-Lithuanian Commonwealth.
		Hevelius had been a member (fellow) since 1664, which makes some believe that Jan Heweliusz was the first Pole included In fact, Germans like Henry Oldenburg and Theodore Haak were original fellows of the Royal Society.
		Hevelius had his book printed in his own house, at lavish expense, and himself engraved many of the printing plates.
	www.reference.com /browse/wiki/Johannes_Hevelius (881 words)

	Johannes Hevelius (Site not responding. Last check: )
		Johannes Hevelius [Hewelke] (1611-1687), from a portrait in his 1647 Selenographia.
		Following the lead of Tycho Brahe, Hevelius constructed very large measuring instruments, and managed to improve the accuracy of measured naked-eye stellar positions down to 1 minute of arc on a routine basis, in doing so exceeding even Tycho in accuracy.
		In the early 1670s Hevelius was drawn in what became a heated controversy with John Flamsteed (1646-1719) and later Robert Hooke (1635-1703), who advocated the use of telescope and micrometers for accurate determinations of stellar positions.
	web.hao.ucar.edu /public/education/sp/images/hevelius.html (522 words)

	[No title]
		The mounting for Hevelius' larger telescopes was a rope tied mid-tube, the rope then passed through a fork or a pulley on top of a tall mast, so the the height of the telescope could easily be raised to allow observing at the zenith.
		Hevelius devised a screw micrometer allowing measurement to seconds of arc along the vernier; although true accuracy was limited to about one minute of arc, Hevelius believed he achieved a higher degree of precision.
		Hevelius continually tested his optics, but in the absence of adequate theory, he did not understand optical imperfections, and for example measured with a micrometer the diameter of the diffraction pattern of stars, thinking he was measuring stellar diameter.
	home.europa.com /~telscope/tspoland.txt (7287 words)

	Johannes Hevelius - Biocrawler (Site not responding. Last check: )
		Johannes Hevelius or Johann Hewelke or Johannes Hewel (German) or Jan Heweliusz (Polish) (January 28, 1611-January 28, 1687) was a Polish astronomer; called the founder of lunar topography.
		He was born in Gdansk, Polish-Lithuanian Commonwealth in 1611 to family of wealthy brewing merchants of Czech origins.
		da:Johannes Heveliuseo:Johannes HEVELIUS it:Johannes Hevelius ja:ヨハネス・ヘヴェリウス pl:Jan Heweliusz ru:Гевелий, Ян sl:Johannes Hevel
	www.biocrawler.com /encyclopedia/Hevelius (533 words)

	Hevelius (SFO)
		Nach der Rückkehr in die Heimatstadt begann Johannes Hevelius, sich in den Betrieb der Brauerei einzubringen, und sich auch in die Stadtrechte zu vertiefen.
		Unten: das neue Observatorium Hevelius', aufgestockt in den 50er Jahren auf den Dächern dreier Häuser in der Pfefferstadt.
		Hevelius verdankte diese Auszeichnug dem Ruhm der Selenographie, wie auch den langjährigen Kontakten mit französischen Gelehrten.
	mypage.bluewindow.ch /sternfreunde/hevelius.html (2306 words)

	Amtec - Polish Beer Importers
		Hevelius Beer is named after Johannes Hevelius – a famous Polish astronomer (1611-1687) with a tremendous passion for the stars.
		Named in honor of Johannes Hevelius, one of the most famous brewers in Gdańsk, no beer could equal the superb Hevelius brand.
		Hevelius is a pilsner-style beer –; light yellow, very clear with a thin head.
	www.yespils.com /index.php?path=sel&sel=hevelius (135 words)

	Hevelius Johannes: Free Encyclopedia Articles at Questia.com Online Library
		In the 1630s when Johannes Hevelius was trying to decide whether to pursue his astronomical...individual stories.
		Hevelius and Picard Johannes Hevelius was born in 1611, one of 10 children, to a Danzig...
		...by the eminent German-Polish astronomer Johannes Hevelius 1611-97.
	www.questia.com /library/encyclopedia/hevelius-johannes.jsp (807 words)

	Constellations - [Universe]
		Lacerta is one of seven constellations introduced by Johannes Hevelius.
		Hevelius is mostly known for his atlas of the Moon (Selenographia 1647).
		Hevelius had built his own observatory on the roof of his house as well as a number of quality telescopes.
	library.thinkquest.org /C001572/links/cons/lac_con.htm (179 words)

	Johannes Hevelius - Wikipedia, the free encyclopedia
		Johannes Hevelius (Latin), also called Johann Hewelke, Johannes Höwelcke or Johannes Hewel (in German), or Jan Heweliusz (in Polish), (born January 28, 1611 – died January 28, 1687), was a councillor and mayor in Danzig (Gdańsk).
		Hevelius was born in Danzig in a time when the city was part of the Polish-Lithuanian Commonwealth.
		In late 1683, as commemoration of the victory of the Christian forces led by King John III Sobieski in the battle of Vienna, he named a newly identified constellation Scutum Sobiescianum (shield of Sobieski).
	en.wikipedia.org /wiki/Hevelius,_Johannes (698 words)

	Johannes Hevelius Biografie
		Johannes Hevelius (eigentlich Hewel oder Hewelke, 1611-1687) stammt aus einer angesehenen Danziger Patrizierfamilie studiert in Leiden zunächst Rexhtswissenschaft.
		Hevelius geht dabei sogar soweit, dass er sich 1641 auf dem Dach seines Danziger Hauses die seinerzeit größte europäische eigene Sternwarte einrichtet.
		Hevelius' Werk enthält nicht nur eine detaillierte Darstellung der Mondoberfläche, sondern auch die Beschreibung der Mondphasen und Librationen.
	www.johannes-hevelius.de (157 words)

	[No title]
		The mounting for Hevelius' larger telescopes was a rope tied mid-tube, the rope then passed through a fork or a pulley on top of a tall mast, so the the height of the telescope could easily be raised to allow observing at the zenith.
		Hevelius devised a screw micrometer allowing measurement to seconds of arc along the vernier; although true accuracy was limited to about one minute of arc, Hevelius believed he achieved a higher degree of precision.
		Hevelius continually tested his optics, but in the absence of adequate theory, he did not understand optical imperfections, and for example measured with a micrometer the diameter of the diffraction pattern of stars, thinking he was measuring stellar diameter.
	www.europa.com /~telscope/tspoland.doc (7327 words)

	Bio: Johannes Hevelius
		Johannes Hevelius was the son of a wealthy brewer in Danzig, a city on the Baltic Sea.
		Hevelius’ knowledge of the way refracting telescopes worked pushed him to create longer and longer telescopes, marvels of engineering that eventually stretched to 150 feet.
		His abilities extended from scientific work to artistry — Hevelius was a talented engraver who produced the elaborate images for his most famous work, Selenographia, an atlas of the Moon.
	amazing-space.stsci.edu /resources/explorations/groundup/lesson/bios/hevelius/index.php (294 words)

	Lake County Astronomical Society NightTimes
		Johannes Hevelius, (also spelled as Hewel or Hewelcke) was a German astronomer most famous for his careful charting of the surface of the Moon.
		Hevelius was interested in positional astronomy and planned a new star catalogue of the Northern hemisphere, which was to be much more complete than that of Tycho Brahe (1546-1601).
		Hevelius used telescopes for details on the Moon and planets, but refused to apply them to his measuring apparatus.
	www.bpccs.com /lcas/Articles/hevelius.htm (476 words)

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