* The 6.5-meter MMT (256-inch) , a joint facility operated with the University of Arizona, for solar system, galactic and extragalactic astronomy.
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* The 1.3-meter(51-inch) PAIRITEL (Peters Automated IR Imaging Telescope, ex-2MASS) reflector, for infrared observations, especially of gamma-ray bursts, supernovae and other variable sources.
* The 10-meter optical Gamma-ray reflector telescope. Also visit VERITAS.
* The IOTA Telescopes, used for optical and infrared interferometry (in collaboration with several institutions).
* The HAT (Hungarian Automated Telescope) network of optical refractor telescopes, used for robotic observations of the night sky.
http://smithsonianscience.org/2009/09/smithsonian-astronomers-in-arizona-identify-mystery-nocturnal-visitor/