- Amateur Solar Observatory
 - Includes butterfly diagrams of sun.  Birmingham Solar Oscillations Network (BiSON)
- Current status and recent results and publications based on BiSON data, in the field of helioseismology.- California State University, Northridge - San Fernando Observatory
- Full-time research observatory dedicated to the study of our nearest star, the Sun. Main research interests are solar variability and solar magnetic fields.
- Mt. Wilson Observatory
- Solar tower, four types of images updated daily. Access to the High Degree Helioseismology Network (HiDHN).
- National Solar Observatory (1)
- New Jersey Institute of Technology (NJIT) - Big Bear Solar Observatory
- Daily images of the sun, a tour of the observatory, and various movies (MPEG), images, and links related to solar astronomy.
- Solar and Heliospheric Observatory (SOHO) (3)
- Solar Dynamics Observatory (SDO)
- Learn about NASA's Solar Dynamics Observatory, designed to help us understand the Sun's influence on Earth and Near-Earth space by studying the solar atmosphere on small scales of space and time and in many wavelengths simultaneously.
- Solar Terrestrial Relations Observatory (STEREO) (6)
- Learn about STEREO, NASA's Solar Terrestrial Relations Observatory that is designed help us understand coronal mass ejections and the flow of energy from the Sun to the Earth.
- Solar-B (4)
- Learn about the Solar-B mission, an international effort between Japan, the U.S. and the U.K. to better understand the mechanisms for solar variability. Find sites from NASA, JAXA, PPARC, and other mission contributors describing Solar-B's telescopes and imaging instrumentation.
- University of Birmingham - Birmingham Solar Oscillations Network (BiSON)
- Current status and recent results and publications based on BiSON data, in the field of helioseismology.
- University of Hawaii at Manoa - Mees Solar Observatory
- Daily and archival data from Mees Solar Observatory including white light images, Ca k-line images, and vector magnetograms.
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