Vatican Advanced Technology Telescope
（重定向自VATT）
The 1.8 meter Alice P. Lennon Telescope and its Thomas J. Bannan Astrophysics Facility, known together as the Vatican Advanced Technology Telescope (VATT), is a Gregorian telescope observing in the optical and infrared which achieved 'first light', the first starlight to pass through the telescope onto a detector, in 1993.