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NOAA WDCA Magnetic Indices and Sunspots, 1932-1981Jun
This dataset contains basic solar data received from World Data Center A and includes sunspot indices and sunspot number. Data are available from January 1932 to June 1981.- dataset ASCII
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Sacramento Peak 9.1 cm Solar Analyses
This dataset contains once-daily synoptic solar maps of brightness temperature on a 25 by 21 grid for January 1964 to July 1973. The data were collected by the National Solar...- dataset ASCII
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NGDC Sunspots and 10.7 cm Flux
This dataset contains daily and monthly sunspot numbers for various periods between 1749 and 1992 and daily and monthly solar flux from 1947. <p>The most current data...- dataset ASCII