One of the mysteries of the English language finally explained.
A telescope mounting with one axis aligned to the celestial pole, which allows the movement of celestial objects to be followed by motion about this axis alone.Compare with altazimuth (sense 1)
- ‘Today we would use a telescope in an accurately-calibrated equatorial mounting to find the planet's altitude and azimuth (compass-bearing) and then, given the correct sidereal time, its latitude and longitude could be calculated.’
- ‘Monty mounted the reflector telescope with an equatorial mount on a concrete pedestal, to give it a solid foundation.’
- ‘The telescope, with its complex and finely-crafted equatorial mounting, became one of the must-see features of Burton Constable Hall for visitors during the 18th and 19th centuries.’
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