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Available SMM Data for 1987

Please see our data use acknowledgements
The use of Mauna Loa Solar Observatory observations for scientific and public education efforts and non-commercial purposes is strongly encouraged and requires no expressed authorization. However, it is requested that any such use attributes the source of the images as:

"Courtesy of the Mauna Loa Solar Observatory, operated by the High Altitude Observatory, as part of the National Center for Atmospheric Research (NCAR). NCAR is supported by the National Science Foundation."
. PSPT data can be found here.