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Comet seeker : ウィキペディア英語版 | Comet seeker
A comet seeker is a type of small telescope adapted especially to searching for comets: commonly of short focal length and large aperture, in order to secure the greatest brilliancy of light. For example, in 1842 a 4-inch (10 cm) aperture Comet Seeker was added to Markree Observatory, which was used to discover 9 Metis in 1848. ==See also==
* Klevtsov–Cassegrain telescope * List of telescope types
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