International Astronomical Union
JOSO
Societe Astronomique Francaise
American AS
IAG
SCOSTEP home page
NASA Jet Propulsion Laboratory
Big Bear Solar Observatory www page
HAO

Czech Astronomical Institute
Sub-Regional European Astronomical Committee
SOCIÉTÉ EUROPÉENE POUR L’ASTRONOMIE DANS LA CULTURE  - SEAC
Space Telescope Electronic Information Service
YohKoh
European Space Agency
ULYSSES
Project Galileo (JPL)
NASA Spacelink - An Electronic Information System for Educators
SOHO
The WWW Virtual Library: Astronomy and Astrophysics
Astrophysics
Solar Bookmarks
abstract service
The World-Wide Web Virtual Library: Subject Catalogue
SKY Online - Your Astronomy Source on the World Wide Web
Solar Physics
New Astronomy
Kluwer
The Astronomer Magazine
SCS ASTRO CATALOGUE
Sun_course
SDAC
Slide set
Solar sites index
NASA's Solar Eclipse Bulletins
Solar Eclipse Images
Kandilli Observatory
SpaceWeather.com
Astronomy Picture of the Day
Environment; Natural Resources Management
Solar System Life
Views Of The Solar System
Other Links to the Astronomical Community
The Operation of Medium Sized Telescopes in the 21st Century.
Internatioanl  Earth Rotation Service
Baia Mare Planetarium