1. East-Asian Core Observatory Association

 East-Asian Core Observatory Association (EACOA) consisted of four core observatories in East Asian:
National Astronomical  Observatories of China,National Astronomical Observatory of Japan, Kore Astronomy and Space Science institute, Academia Sinica Institue of Astronomy and Astrophysics is formed to foster and coordinate collaborations between the major astronomical observatories in the region.

The mission of East-Asian Core Observatory Association includes:

• Development of alliance program in research, instruments and telescope construction.
• Coordination of the exchange and use of observation instrumental and other resources within East Asia.
• Talent exchange (especially the young astronomers ) program
• Coordination of conference arrangement and other academic activities to facilitate the cooperation in astronomy research in East Asia
• Setting the developmental goal of East-Asian Core Observatory Association
• Annual directory meeting to ensure the effective achievement of the scientific cooperation envisaged  by East-Asian Core Observatory Association