Altre società

Czech Astronomical Society (CAS) 
Institut D'Astrophysique De Paris (IAP)
Hellenic Astronomical Society (Hel. A. S.) 
Astronomische Gesellschaft (AG)
Lithuanian Astronomical Society 
Polish Astronomical Society (PTA) 
Portuguese Astronomical Society (SPA)  
The Royal Astronomical Society (UK) (RAS) 
Slovak Astronomical Society 
Spanish Astronomical Society (SEA) 
Ukrainian Astronomical Society 
European Astronomical Society (EAS)  
American Astronomical Society (AAS)
Astronomical Society of the Pacific
Astronomical Society of Australia (ASA) 
Jordanian Astronomical Society (JAS) 
Royal Astronomical Society of New Zealand 
Hong Kong Astronomical Society 
Danish Astronomical Society 
Royal Astronomical Society of Canada (RASC) Winnipeg Centre
Accademia Nazionale dei Lincei