Yunnan Astronomical Observatory

Yunnan Astronomical Observatory (YAO; ) an institution of Chinese Academy of Sciences sits on the Phoenix Hill in the east suburbs of Kunming, Yunnan, China. It is the only research observatory in the southwest of China. It is a state institution for astronomy research and public science education. There are 8 research groups and 2 observing stations in YAO.

It was founded during the Japanese invasion of China by astronomers from the Beijing Astronomical Observatory and the Purple Mountain Observatory evacuated from their home towns.

Groups:
 * Solar physics
 * Stellar physics
 * Stellar population
 * Extragalactic physics
 * AGN jets
 * Binary Population Synthesis
 * High-energy astrophysics
 * Astrodynamics & astrometry
 * Southern Observing Station

Facilities:
 * Lijiang 2.4 m telescope
 * Fuxian Lake 1 m solar tower
 * ynao 1 m telescope
 * 40 m radio telescope