The Mount Graham International Observatory is located in Arizona, USA, on Mount Graham. It is home to several telescopes that are used for astronomical research. The observatory is known for its high-altitude location, which provides clear skies and minimal light pollution, making it an ideal spot for observing celestial objects. Established in the 1990s, the observatory hosts various research projects, including studies of distant galaxies and the search for exoplanets. It is operated by a collaboration of institutions, including the University of Arizona and the University of Massachusetts, contributing to advancements in our understanding of the universe.