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| Wednesday 23rd of July 2008 - 6:50 pm BST |
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24" DomeThe 24-inch reflector is the group's largest instrument and has recently undergone major refurbishment, including the upgrade to a 24-inch f/4.75 mirror. This telescope is driven by a stepper motor drive to give an accurate drive rate, to enable long-exposure astrophotography either through the telescope (at Newtonian focus) or using the 'piggy-back' method.
Two-inch eyepieces are used on this instrument and the group has a range of Tele Vue 2-inch eyepieces specifically for this telescope. These give an extremely wide, flat field and complement the fast optics of the telescope.
This telescope has been fitted with a Sky Commander system, which is invaluable in aiding the location of objects, and a PC, which is used to display star atlas information and control the group's CCD systems, which are also used on this telescope. Future projects for this instrument include an auto-guiding system to allow for long exposure astrophotography (both 35mm and CCD) and a full computer control system.
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