Solar Observatories and Research Groups
Caltech Solar Observatory
Culgoora Solar Observatory
Global Oscillation Network Group
High Altitude Observatory
Instituto de Astrofisica de Canarias
Kiepenheuer-Institut für Sonnenphysik
Learmonth Solar Observatory
Udaipur Solar Observatory
Astrophysikalisches Institut Potsdam
Lomnicky Stit Observatory -- Slovakia
Lockheed Martin - Solar and Astrophysics Laboratory
Mees Solar Observatory
Mount Wilson Observatory
National Optical Astronomy Observatories
National Solar Observatory
National Solar Observatory (Kitt Peak)
National Solar Observatory (Sacramento Peak)
San Fernando Solar Observatory
Solar and Heliospheric Observatory
Universitäts-Sternwarte Göttingen
Wilcox Solar Observatory
Osservatorio Astronomico di Roma (Italian)
Transition Region and Coronal Explorer - TRACE
The 150-Foot Solar Tower at Mt. Wilson Observatory
Solar and Heliospheric Observatory - SOHO
Hinode (Solar-B)
STEREO -- 3-D View of the Sun
The Sun on the WWW
NGDC Solar Data Services -- General
Solar-Geophysical Data Reports (PDF version 2000-)
Daily Total Solar Irradiance
Estacion de Observacion Solar - Universidad de Sonora
INTER-SOL Programme (ISP)
Daily Sunspot Activity
Marshall Space Flight Center - Solar Physics
National Solar Observatory Educational and Outreach Resources
Solar and Stellar X-Ray Group - Harvard-Smithsonian Center for Astrophysics
Solar Data Analysis Center
at NASA Goddard Space Flight Center (Latest Solar Images)
Space Environment Center
Sunrise and Sunset
Sunspot Numbers
ASP Universe in the Classroom: Our Solar Connection
NASA Solar Week
History of Solar Physics
Today's Space Weather
Astronomical and Space Organization
AAS Solar Physics Division
American Astronomical Society
Astronomische Gesellschaft
Canadian Astronomy Data Centre
International Astronomy Meetings
International Astronomical Union
Jet Propulsion Laboratory
National Aeronautics and Space Administration - NASA
Solar News