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