National Astronomical Observatory of Japan

, also known as NAOJ, is a Japanese astronomy research organization. NAOJ has several facilities in Japan; and it has an observatory on Mauna Kea in Hawaii.
History.
NAOJ was established in 1988. Three institutions merged. They were the 
In 2004, NAOJ became part of the National Institutes of Natural Sciences (NINS). NINS was created to promote collaboration among researchers of the five constituent institutes. NAOJ merged with four other national institutes. They were