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141:(about 600 Euros of today) for a Herschel reflector of 122 cm focal length and 12 cm aperture. He quickly gained a good name from his observational reports in journals, but was not satisfied and in 1786 paid 600 Reichstaler (an equivalent of six months earnings) for a 214 cm focal length 16.5 cm aperture reflector with eyepieces allowing up to 1,200 magnification, and 26
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Schröter made extensive drawings of the features of Mars, yet curiously he was always erroneously convinced that what he was seeing was mere cloud formations rather than geographical features. In 1791, he published an important early study on the topography of the Moon entitled
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and now bears his name. In 1793, he was the first to notice the phase anomaly of Venus, now known as the
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more seriously, and he resigned his post and became chief magistrate and district governor of
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106:'s brothers. In 1779, he acquired a three-foot-long (91 cm, almost one metre)
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from 1762 until 1767, after which he started a ten-year-long legal practice.
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260:"Observation and inference: Johann Hieronymous Schroeter, 1745–1816"
343:. Vol. 24 (11th ed.). Cambridge University Press. p. 379.
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refractor with 2.25-inch (57 mm) lens (50 mm) to observe the
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for a screw-micrometer. With this, he systematically observed Venus,
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Selenotopographische
Fragmente zur genauern Kenntniss der Mondfläche
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Biography at the
University of Bremen's Olbers Planetarium website
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Corresponding members of the Saint
Petersburg Academy of Sciences
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In 1777 he was appointed
Secretary of the Royal Chamber of
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His drawings of Mars were not rediscovered until 1873 (by
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List of largest optical telescopes in the 18th century
285:"Schroeter's Effect and the twilight model for Venus"
431:Members of the Royal Swedish Academy of Sciences
289:Journal of the British Astronomical Association
264:Journal of the British Astronomical Association
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187:In 1813, he suffered the disruptions of the
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176:His two famous assistant astronomers were
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206:) and were not published until 1881 (by
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208:H. G. van de Sande Bakhuyzen
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126:in 1781 inspired Schröter to pursue
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236:(Schröter's Valley) on the Moon.
215:Royal Swedish Academy of Sciences
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446:19th-century German astronomers
416:18th-century German astronomers
355:"Library and Archive Catalogue"
213:He was elected a member of the
426:University of Göttingen alumni
191:: his work was ruined by the
55:Selenetopographische Fragmente
44:Selenetopographische Fragmente
42:Samples from moon maps in the
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27:German astronomer (1745–1816)
436:Fellows of the Royal Society
335:Schröter, Johann Hieronymus
232:are named after him, as is
219:Fellow of the Royal Society
18:Johann Hieronymus Schroeter
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122:. Herschel's discovery of
61:Johann Hieronymus Schröter
34:Johann Hieronymus Schröter
210:), well after his death.
182:Friedrich Wilhelm Bessel
67:– 29 August 1816,
340:Encyclopædia Britannica
228:and the Martian crater
411:Scientists from Erfurt
217:in 1794 and elected a
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87:, and studied law at
83:Schröter was born in
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283:Mallama, A. (1996).
137:In 1784, he paid 31
89:Göttingen University
53:Title page from the
301:1996JBAA..106...16M
276:1995JBAA..105..171S
178:Karl Ludwig Harding
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359:The Royal Society
224:The lunar crater
204:François J. Terby
167:Thomas Gwyn Elger
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386:(in German)
395:Categories
364:12 October
252:References
132:Lilienthal
108:achromatic
96:George III
73:astronomer
69:Lilienthal
230:Schroeter
128:astronomy
240:See also
226:Schröter
197:Vandamme
328::
297:Bibcode
272:Bibcode
270:: 171.
151:Jupiter
100:Hanover
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195:under
193:French
155:Saturn
143:Thaler
124:Uranus
118:, and
85:Erfurt
65:Erfurt
120:Venus
366:2010
153:and
147:Mars
116:Moon
79:Life
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
