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A barn door tracker, also known as a Haig or Scotch mount, is a device used to cancel out the diurnal motion of the Earth for the observation or photography of astronomical objects. It is a simple alternative to attaching a camera to a motorized equatorial mount .
Barn doors, or occasionally a set of barn doors, are an attachment fitted to the front of a Fresnel lantern, a type of lantern used in films, television, and theatres. [1] The attachment has the appearance of a large set of barn doors, but in fact there are four leaves, two larger and widening on the outside, two smaller and getting narrower ...
This differs from the single-axis semi-automated tracking of a traditional clock-drive equatorial mount. The user can command the mount to point the telescope to the celestial coordinates that the user inputs, or to objects in a pre-programmed database including ones from the Messier catalogue , the New General Catalogue , and even major Solar ...
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WEST LONG BRANCH - Boot Barn, a western and workwear retailer, is coming to the Consumer Centre shopping center on Route 36. Boot Barn, which has stores in Cherry Hill, Millville and Mount Olive ...
The Consumer Reports auto test track in East Haddam, Connecticut. In the July 1978 issue, Consumer Reports rated the Dodge Omni/Plymouth Horizon automobile "not acceptable", the first car it had judged such since the AMC Ambassador in 1968.
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