A collective of amateur astronomers called Group 70 attempted to build a 70-inch telescope in the mid-1990s, but they ran out of funding and … The Obsession 18" UC features the same quality craftsmanship and award winning design as found on our renown 20, 25, 30 and 36 inch telescopes. A small step ladder is required when the scope is pointed near the zenith but most observing will be done with your feet on the ground. A lot more pictures of the telescope's construction are shown on the 42 inch Dobsonian Construction Page. [2] - Medium (price range 200-500$). RH's 19th C. Parisian Brass Telescope:Reproduced from a 19th-century original by a Parisian manufacturer of telescopes, microscopes and lenses, this telescope is a perfect blend of technology and historical design. Another observatory in Chile with a 14-inch reflector and a 3.5-inch refractor provide access to the southern sky. Resting on the vintage-inspired tripod base is a powerful lens with 12x magnification and an antiqued finish that recalls the original. You can also find some more pictures of the 42 inch telescope at the following events: ITV 2003, 7th HTT and ATV 2007. More About Dobsonian Telescopes The Dobsonian is a simple, low-cost telescope design popularized by San Francisco amateur astronomer John Dobson in the 1970s. For example a 70-80mm Newtonian reflector or a 50-70mm refractor, usually with a relatively low quality. In this article there are 3 telescope categories, which will be referred by [orange] tags: [1] - Small and cheap (price range 50-150$). We've done our homework - the 18 is easy to set up and a joy to use. Some exchanges with Dr. Erhard Hänssgen Erhard Hänssgen's talks about the construction of his giant telescope It consists of a Newtonian tube assembly riding on a simple, wooden altazimuth base. Fantastic deep sky and planetary images. Slooh’s main observatory is located on Mount Teide in Tenerife, its scopes ranging from a 3.3-inch refractor to a 20-inch reflector, as well as meteor cams and a dedicated solar scope.

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