User:Jeschaton/Oriental Astronomical Association

The Oriental Astronomical Association (東亜天文学会) (OAA) is the oldest astronomical organization in Japan, first founded on September 25, 1920. by Issei Yamamoto. Since 1920, the organization has published the monthly journal The Heavens (天界)

The asteroid 3935 Toatenmongakkai is named in honor of the organization.