The CDK20 South Planewave Instruments 20-inch (0.5-meter) f/6.8 corrected Dall Kirkham telescope is shown here with its optical designer Joe Haberman at Mt. Kent Observatory in Queensland, Australia, at the time of its installation in 2006. ... The corrected Dall Kirkham optical system provides a unique, wide, diffraction-limited, flat field ideal for CCD imaging and photometry. The telescopes at Mt. ... Instrumentation available for remote operation of the telescopes includes . ...

... The XPA messaging system originally was built on top of the X Window System and XPA was the mnemonic for X Public Access , to emphasize that we were providing public access to previously private data and algorithms in Xt programs. ... If you think this is bad, consider the MMT Telescope on Mount Hopkins, Arizona. When first installed twenty years ago, it featured an array of six 72-inch diameter mirrors. from which came its name: the Multiple Mirror Telescope . ... And now MMT stands for .. ...