50.7 MB (3.1 MB compressed)
3575 x 4955 pixels
30.2 x 41.9 cm ⏐ 11.9 x 16.5 in (300dpi)
ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY
Markree Observatory telescope. This observatory was constructed at Markree Castle, County Sligo, Ireland, by Colonel Edward Joshua Cooper (1798-1863), after inheriting the castle from his father in 1830. It was said to be the most richly furnished private observatory of the time. This telescope is the 13-inch Cauchoix objective (25-foot focal length, among the largest lenses used at the time). First acquired by Cooper in 1831, it was initially mounted on a wooden framework, but later (1834) it was placed on the equatorial mount shown here. This was itself on a pier that took the form of a pyramid of black marble blocks.
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