Etats Unis :
Mont Wilson
Palomar Mountain
Lick Observatory
Kitt Peak National Observatory
Catalina Station
Lowell Observatory
U.S. Naval Observatory
Chili :
Cerro Tololo Cerro Pachon
Las Campanas
ALMA
La Silla
Paranal
Chine:
Beijing
Nanjing
Japon:
Mitaka (Tokyo)
Kiso
Nobeyama
Yatsugatake
Indonésie:
Lembang
Australie:
Anglo Australian Observatory