| HelioClim Solar Radiation: Sun radiation atlas based on processing of Meteosat data. |
| Services for Professionals in Solar Energy and Radiation: Resource with information and databases on solar radiation and energy. Includes Java based calculators for a range of scientific and industrial domains. |
| Solar Data Analysis Center: Features links to data resources. Also includes images, news, eclipse information. Based at NASA Goddard Space Flight Center in Greenbelt, Md. |
| Solar Data Analysis Center (SDAC): Offers data resources, including solar images, solar news, eclipse information, flares, sunspots and overview of NASA's solar physics programs. |
| Solar Influence Data Center: RWC Brussels World Data Center for the Sunspot Index. Features archives, forecasts and information. |
| Solar Radiation Resource Information: Resource offering data archives, models, calculators and scientific reports. |
| Solar UV Atlas from HRTS: A brief presentation of its features. |
| The SOHO Archive: Allows searches from the sources involved in this ESA - NASA project by setting observation period, wavelength, coordinates, objects and instrument. |
| World Radiation Data Centre: Archive of world wide solar radiation and radiation balance data, 1964-1993. |
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