Jacobus Kapteyn Telescope
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The Jacobus Kapteyn Telescope or JKT was a 1m optical telescope of the Isaac Newton Group of Telescopes on La Palma in the Canary Islands.
Now superseded by more recent and larger telescopes it was taken out of service as a common user facility in the middle of 2003.
It is named for the Dutch astronomer Jacobus Kapteyn.