Utah Skies:
A very comprehensive collection of information useful and
interesting to amateur astronomers, especially those located in
Utah. Includes events, news, data and reference materials, and a
weekly viewing conditions forecast. Has a special section about
light pollution.
http://www.utahskies.org/
American Astronomical Society (AAS):
Established 1899, AAS is the major professional organization in
North America for astronomers, other scientists and individuals
interested in astronomy.
http://www.aas.org
The International Astronomical Union (IAU):
founded in 1919, has a mission to promote and safeguard the science
of astronomy in all its aspects through international cooperation.
With now over 8,300 individual members and 60 Adhering Countries
worldwide, the IAU plays a key role in promoting and coordinating
worldwide cooperation in astronomy. The IAU is also the sole
internationally recognised authority for assigning designations to
celestial bodies and surface features on such bodies.
http://www.iau.org/
International Occultation Timing Association (IOTA):
was established to encourage and facilitate the observation of
occultations and eclipses. It provides predictions for grazing
occultations of stars by the Moon and predictions for occultations
of stars by asteroids and planets, information on observing
equipment and techniques, and reports to the members of observations
made.
http://www.occultations.org/
Global Network of Astronomical Telescopes (GNAT):
a non-profit organization dedicated to being a catalyst and
information source for all those interested in research and
education using relatively small astronomical telescopes.
http://www.gnat.org/~ida/gnat/
The Astronomical League:
is composed of over two hundred local amateur astronomical societies
from all across the United States. Find out about our GREAT national
conventions (ALCons)! Member Societies, Regions, Astronomy Day,
Awards.
http://www.astroleague.org/
European Astronomical Society (EAS):
An association founded under the Swiss Civil Code in 1990. Its
purpose is to contribute to and promote the advancement of astronomy
in Europe.
http://www.iap.fr/eas/
The Planetary Society:
A nonprofit organization that promotes exploration of the solar
system and the search for extraterrestrial intelligence.
http://planetary.org
The Astronomical Society of South Australia:
founded in 1892, is the oldest society of its kind in Australia. Its
objectives are to promote the Science of Astronomy and all its
branches by holding regular meetings and viewing nights, circulating
current astronomical information, and encouraging popular interest
in Astronomy.
http://www.assa.org.au/
The Webb Society:
An international society of amateur and professional astronomers
specialising in the observation of double stars and 'deep sky'
objects, founded in 1967.
http://www.webbsociety.freeserve.co.uk
Royal Astronomical Society of Canada:
Key activities include research and observing planets, stars,
celestial phenomena and the abatement of light pollution.
http://www.rasc.ca/
Joint Organization for Solar Observations (JOSO):
Facilitates collaboration in solar phvsics among European solar
astronomers. Contains details about JOSO's aims, structure, meetings
and working groups.
http://joso.oat.ts.astro.it/
International Association of Geodesy:
Member information, meeting announcements, publications and reports,
awards, and links to related sites.
http://www.gfy.ku.dk/~iag/
Scientific Committee on Solar-Terrestrial Physics:
Promotes international interdisciplinary programs in
solar-terrestrial physics, and organizes and coordinates such
programs. Site has a newsletter, meetings and events, member
directory, announcements, and links to related groups.
http://www.ngdc.noaa.gov/stp/SCOSTEP/scostep.html
Euro-Asian Astronomical Society:
Maintains the development of astronomy and reinforces scientific
contacts between astronomers of the former Soviet Union and their
colleagues all over the world. Includes summaries of previous
meetings and activities in which the group participates. In Russian
and English.
http://www.issp.ac.ru/univer/astro/eaas/index.html
European Association for Astronomy Education:
Improves and promotes astronomical education at all levels in all
institutions involved in teaching astronomy in Europe. Contains
membership information, the group's history, news, newsletters and
projects.
http://www.algonet.se/~sirius/eaae.htm
International Earth Rotation Service (IERS):
Works to maintain the International Celestial Reference System and
Frame, and the International Terrestrial Reference System and Frame,
and to provide timely and accurate data on the Earth's orientation
for current use and long-term studies. Site describes the group's
structure and function.
http://hpiers.obspm.fr/
Astronomical Society of the Pacific:
Disseminates astronomical information. The ASP has become the
largest general astronomy society in the world, with members from
over 70 nations.
http://www.astrosociety.org/
Antique Telescope Society:
An international organization of colleagues interested in antique
astronomical telescopes, books, binoculars, and related materials.
http://www.irhino.com/oldscope/
