| 21. | Newtonian reflecting telescope with 36-inch mirror to photograph the comet.
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| 22. | It is a reflecting telescope on a double horseshoe mount.
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| 23. | Shane Reflecting Telescope ( C . Donald Shane Telescope ) was built in 1959.
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| 24. | Isaac Newton has been generally credited with building the first reflecting telescope in 1668.
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| 25. | Because of these difficulties in construction, the Newtonian reflecting telescope was initially not widely adopted.
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| 26. | *A reflecting telescope was built in 1993 to monitor sky conditions for the SDSS project.
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| 27. | Reflecting telescopes, just like any other optical system, do not produce " perfect " images.
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| 28. | Douglass made plans to use the Steward gift to construct a 36-inch Newtonian reflecting telescope.
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| 29. | :I always remember Patrick Moore advising a reflecting telescope with at least 3 " diameter.
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| 30. | A specialist in positional astronomy, he did pioneering work in determining stellar distances with reflecting telescopes.
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