NASA
2019-09-06 15:43:23.0 [sritz] update Definition (https://umbra.nascom.nasa.gov/ The Solar Data Analysis Center (SDAC), located at the NASA Goddard Space Flight Center in Greenbelt, Maryland, USA, is the main archive of the data from the Solar Maximum Mission. In addition, for selected solar events, or selected periods of time corresponding to solar observing campaigns, additional data from ground based observatories are available. The SDAC maintains the archive and software for analyzing the data and provides); update Resource (provider);
https://umbra.nascom.nasa.gov/ The Solar Data Analysis Center (SDAC), located at the NASA Goddard Space Flight Center in Greenbelt, Maryland, USA, is the main archive of the data from the Solar Maximum Mission. In addition, for selected solar events, or selected periods of time corresponding to solar observing campaigns, additional data from ground based observatories are available. The SDAC maintains the archive and software for analyzing the data and provides
NASA/GSFC/SED/HSD/SPL/SDAC