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Professional Astronomy Societies
American Association of Variable Star Observers (AAVSO)
The American Association of Variable Star Observers (AAVSO) is a non-profit worldwide scientific and educational organization of amateur and professional astronomers who are interested in stars that change in brightness—variable stars.
American Astronomical Society (AAS)
The mission of the American Astronomical Society is to enhance and share humanity’s scientific understanding of the Universe.
Association of Universities for Research in Astronomy (AURA)
The Association of Universities for Research in Astronomy (AURA) is a consortium of 39 US institutions and 6 international affiliates that operates world-class astronomical observatories. AURA’s role is to establish, nurture, and promote public observatories and facilities that advance innovative astronomical research.
Astronomical Society of the Pacific (ASP)
ASP designs and delivers innovative astronomy toolkits, programs, publications and education guides in their mission to inspire youth and adults across the economic spectrum – in support of their success as science, technology and academic leaders.
European Astronomical Society (EAS)
The European Astronomical Society (EAS) promotes and advances astronomy in Europe. As an independent body, the EAS is able to act on matters that need to be handled at a European level on behalf of the European astronomical community. In its endeavours the EAS collaborates with affiliated national astronomical societies and also with with pan-european research organizations and networks.
European Southern Observatory (ESO)
ESO, the European Southern Observatory, is the foremost intergovernmental astronomy organisation in Europe and the world's most productive astronomical observatory. ESO provides state-of-the-art research facilities to astronomers and is supported by Austria, Belgium, Brazil, the Czech Republic, Denmark, Finland, France, Germany, Italy, the Netherlands, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Several other countries have expressed an interest in membership.
International Astronomical Union (IAU)
Its mission is to promote and safeguard the science of astronomy in all its aspects through international cooperation. Its individual members - structured in Divisions, Commissions, Working groups and Program Groups - are professional astronomers from all over the world, at the Ph.D. level and beyond, and active in professional research and education in astronomy.
The Royal Astronomical Society (RAS)
The Royal Astronomical Society (RAS) represents UK astronomy nationally and internationally. Founded in 1820, RAS encourages and promotes the study of astronomy, solar-system science, geophysics and closely related branches of science.
Royal Astronomical Society of Canada (RASC)
The RASC is a major player in the community of stargazers, playing a key role not only in the advancement of astronomy in Canada but also worldwide, through its well-respected publications.
Universities Space Research Association (USRA)
USRA is an independent, nonprofit research corporation where the combined efforts of in-house talent and university-based expertise merge to advance space science and technology.
U of I Astronomy eResources
General Astronomy Online Resources
Astronomy Image Explorer
The Astronomy Image Explorer (AIE) has been designed as a convenient and efficient tool for researchers working in the fields of Astronomy and Astrophysics to gain access to images published in peer-reviewed journals. At its launch in December of 2013, the AIE was populated with hundreds of thousands of images published in the journals of the American Astronomical Society.
Department of Astronomy Website
The main departmental website for Astronomy
SAO/NASA Astrophysics Data System
Digital Library portal for researchers in Astronomy and Physics, operated by the Smithsonian Astrophysical Observatory (SAO) under a NASA grant
The University of Illinois Observatory
Gives information about the University of Illinois Observatory