Kiepenheuer Solar Physics Institute - Offers overview of research projects by a German institute and solar observations made with their vacuum tower telescope in Tenerife, Spain. The National Solar Observatory - Science projects, outreach and images from US facilities. Big Bear Solar Observatory - The BBSO is operated by the New Jersey Institute of Technology. High Altitude Observatory Homepage - High Altitude Observatory (HAO) is dedicated to the study of the Sun and of the response of the Earth's upper atmosphere to the Sun's output. Catania Astrophysical Observatory - General information, meetings, events, and staff. UCO/Lick Observatory - Operates on behalf of the astronomers at all ten UC campuses and is comprised of extensive technical facilities, a business office, telescope and support facilities at the Lick Observatory on Mt Hamilton and a staff of astronomers. Yohkoh Public Outreach Project - Solar educational resources from the Yohkoh X-ray telescope space mission. Includes images, movies, educational resources, and a "tour" of the Sun. Cracow Observatory - Solar Radio Emission - Contains daily data on radio emissions. The 60-Foot Solar Tower - The HiDHN project is a network of two sites whose primary purpose is to study the high order oscillations of the sun in the narrow sodium D-line wavelengths. The two sites, Mt. Wilson Observatory, above the city of Pasadena in California and the Crimean Astrophysical Observatory (CrAO)(US mirror site) in the Ukraine, study solar oscillations to develop a model of the internal structure of the sun(HiDHN) IPS Culgoora Solar Observatory - The Culgoora Solar Observatory is located 25 km west of the town of Narrabri, in north-west New South Wales. The observatory conducts continuous optical and radio observations of the sun every day of the year. MLSO Analysis Homepage - Mauna Loa Solar Observatory The San Fernando Observatory - Operated by the Department of Physics and Astronomy at California State University, the San Fernando Observatory is a state of the art Solar Observatory and the primary astronomical research tool of the Department of Physics and Astronomy. Solar Group of RATAN-600 - Part of Russian Special Astrophysical Group located in the Caucasus mountains of Karachaevo-Cherkesia. National Solar Observatory - National Solar Observatory facilities at Kitt Peak Global Oscillation Network Group (GONG) - Offers science data and project descriptions of a Helioseimology observation network. The solar telescope THÉMIS - THÉMIS [Heliographic Telescope for the Study of the Magnetism and Instabilities on the Sun] is a new generation solar telescope built by the INSU/CNRS (France) and the CNR (Italy) agencies. The telescope is installed at the International Observatory of the Canary Islands (Tenerife, Spain) which is operated by the Instituto de Astrofísica de Canarias. Wilcox Solar Observatory - Offers observations for space weather and magnetic field maps. Richard B. Dunn Solar Telescope - Specializes in solar high resolution imaging and spectroscopy.