HATNet

HATNet (Hungarian Automated Telescope Network) is a set of automated (robotic) telescopes to search for transiting planets. HAT-1, which began operation in 2001 at Konkoly Observatory in Budapest, originally with a 512 × 768 CCD and later upgraded to a 65-mm aperture telescope with a field of view of 8 degrees by 8 degrees, with a 2k×2k CCD. Currently, HATNet consists of 7 telescopes at Fred Lawrence Whipple Observatory (FLWO) and Mauna Kea Observatories (MKO). A further effort, HAT-South is six telescopes in Australia, Namibia, and Chile. As of 2020, each of the two efforts has discovered on the order of 70 extra-solar planets.