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in 1843, and later transferred to the
Smithsonian Museum in 1866. It had an aperture of 4 inches (10.2 cm) and was made by Utzschneider & Fraunhofer in Munich. This was operated as part of suite of several other instruments including a larger refractor on an equatorial mounting, a meridian
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Photograph of comet seeker telescope used in the Lick
Observatory circa 1893 from the Lick Observatory Records Digital Archive, UC Santa Cruz Library's Digital Collections
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in April 1848. It was discovered by Edward Cooper's assistant Andrew Graham, who worked at that observatory until 1860. Graham also observed and sketched the
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A comet seeker telescope is a type of optical device that is known for having a short focal length but a wide field of view.
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added a 3-inch aperture Comet Seeker on an equatorial mount by Ertel. It was ordered in 1842, and in place until 1874.
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An 8.6-centimetre (3.4 in) aperture Comet Seeker was used, with some customizations, to produce the
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In 1866 a Comet Seeker telescope of 18 centimetres (7.1 in) aperture by Martin was acquired by the
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Observing and
Cataloguing Nebulae and Star Clusters: From Herschel to Dreyer's New General Catalogue
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One or more of the preceding sentences incorporates text from a publication now in the
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Comet seeker telescope, Helsinki observatory. Made by
Utzschneider and Fraunhofer in 1830s.
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203:. Vol. 6 (11th ed.). Cambridge University Press. p. 763.
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A comet seeker with about 3.9 inch aperture was installed at the
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A comet closeup, visited by a probe in the early 21st century
78:. This style of telescope was used to discover the asteroid
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Howard-Duff, I. (1987). "Joseph
Fraunhofer (1787-1826)".
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List of largest optical telescopes in the 19th century
366:Le Verrier—Magnificent and Detestable Astronomer
275:Doberck, William (1884). "Markree Observatory".
74:, in order to secure the greatest brilliancy of
338:Journal of the British Astronomical Association
112:The Markree Comet Seeker was used to discover
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62:adapted especially to searching for
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246:The General History of Astronomy
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100:United States Naval Observatory
315:. Cambridge University Press.
120:with this Ertel Comet seeker.
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363:Lequeux, James (2013-03-15).
103:transit, mural circle, etc.
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50:A comet as seen from Earth
222:Smithsonian Institution
200:Encyclopædia Britannica
148:List of telescope types
131:, in the 19th century.
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