His observations were so good that the National Aeronautics and Space Administration and the University of Hawaii followed suit in 1967 with a large 2.2-meter telescope. In the years since, astronomical research bodies of 13 nations, including Taiwan, have set up observation stations and telescopes of their own on the mountain, making it the Northern Hemisphere's best known site for astronomical research.
由於觀測評價良好，1967 年，美國太空總署和夏威夷大學也在毛納基峰設置直徑 2.2 公尺的大型望遠鏡，此後幾十年，包括台灣在內，共 13 個國家的天文研究機構，陸續在這裡設置觀測站及望遠鏡，毛納基峰也一躍成為北半球最知名的天文研究重鎮。