The Gemini Observatory is a pair of 8.19 meter optical/infrared telescopes in Hawaii and Chile. They are managed by Association of Universities for Research in Astronomy. Gemini North (Frederick C. Gillett Gemini Telescope) is at 4200 meters at Mauna Kea and Gemini South is at 2700 meters at Cerro Pachón. They began operating in 2000. Among their instruments:
NIFS is a 3° by 3° imaging spectrometer covering the redshift through K band and other near-infrared bands.
GMOS has been used to carry out spectrographic observation of extra-solar planets to study their atmosphere.