American Association of Variable Star Observers.

美国变星观测者协会。

His first great discovery was made when he recognized a Cepheid variable star.

他的首次重大发现产生于他认识了一颗造父变星的时候。

Young variable star RY Tauri is emerging from a yellowish cocoon of dust near top center.

最上面正中一年轻的变星正在破茧而出。

The smaller yellowish nebula (NGC 6729) surrounds young variable star R Coronae Australis.

娇小而微微泛黄的星云NGC 6729环绕在年轻变星南冕座R的周围。

Welcome to the American Association of Variable Star Observers (AAVSO) Nova Search program.

欢迎访问美国变星协会新星搜索组。