The Isaac Newton Group of Telescopes (ING) consists of the 4.2m William
Herschel Telescope (WHT), the 2.5m Isaac Newton Telescope (INT) and the 1.0m
Jacobus Kapteyn Telescope (JKT), and is located 2350m above sea level at
the Roque de Los Muchachos Observatory on the island of La Palma, Canary
Islands, Spain. The WHT is the largest telescope of its kind in Western Europe.
The construction of the ING telescopes was the result of a collaboration
between the United Kingdom and the Netherlands. The site is provided by Spain,
and in return Spanish astronomers receive 20 per cent of the observing time
on the telescopes. The operation of the site is overseen by an International
Scientific Committee, or Comité Científico Internacional (CCI).
A further 75 per cent of the observing time is shared by the United Kingdom,
the Netherlands and the Instituto de Astrofísica de Canarias (IAC).
The remaining 5 per cent is reserved for large scientific projects to promote
international collaboration between institutions of the CCI member countries.
The ING operates the telescopes on behalf of the Particle Physics and Astronomy
Research Council (PPARC) of the United Kingdom, the Nederlandse Organisatie
voor Wetenschappelijk Onderzoek (NWO) of the Netherlands and the IAC in Spain.
The Roque de Los Muchachos Observatory, which is the principal European Northern
hemisphere observatory, is operated by the IAC.