James Clerk Maxwell Telescope

With a diameter of 15m the James Clerk Maxwell Telescope (JCMT) is the largest astronomical telescope in the world designed specifically to operate in the submillimeter wavelength region of the spectrum. The JCMT is used to study our Solar System, interstellar dust and gas, and distant galaxies. It is situated close to the summit of Mauna Kea, Hawaii, at an altitude of 4092m. (more)

Latest News

Flexible Observing

Press Release: A Happy New Year for European Radio Astronomy 2012-01-05 (NEW) Note to the Community Board Meeting December 2011 Press Release: Revolutionary New Camera Reveals the Dark Side of the Universe 2011-12-06 JCMT2020 Report 05 Dec 2011 Preliminary information re Call for Proposals for Semester 12A Feb → Jul 2012 Semester 12A JCMT Call for proposals 30 Sept 2011 Announcement: JCMT2020 Study to Define Options for the Future of the JCMT 11 August 2011 Announcement: Netherlands Withdrawal from JCMT 04 August 2011 JAC Funding Extended to 2013 10 May 2011 Blog page for latest SCUBA-2 News 5-Oct-2010 News for travellers to the US Changes to US Visa Waiver Program (9-Jan-2009)

Download the latest version of the JCMT Observing Tool. Detailed descriptions of observing modes are also available here. OMP Access to your Project Observing at the JCMT Schedules Starlink software collection

The JCMT is supported by the Science and Technology Facilities Council, the National Research Council Canada, and the Netherlands Organisation for Scientific Research; it is overseen by the JCMT Board	The JCMT is part of the RadioNet consortium
Acknowledging JCMT Data