NSO: Global Oscillation Network Group (GONG)
Science, Astronomy, Solar System, Sun - Global Oscillation Network Group (GONG). Offers science data and project descriptions of a Helioseimology observation network.
https://gong.nso.edu/
National Solar Observatory
Science, Astronomy, Solar System, Sun - National Solar Observatory. National Solar Observatory facilities at Kitt Peak.
https://nsokp.nso.edu/
Stanford Solar Physics Research Group
Science, Astronomy, Solar System, Sun - Stanford Solar Physics Research Group. Lists the group members and research activities of the group with links to more information.
http://sun.stanford.edu/
Stanford SOLAR Center
Science, Astronomy, Solar System, Sun - Stanford Solar Center. Presents a collection of educational activities based on Solar Oscillations Investigation (SOI) and Solar and Heliospheric Observatory (SOHO) data.
https://solar-center.stanford.edu/