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Evolutionary charts of solar activity (calcium plages) as functions of heliographic longitude and time, 1964-1979
E. Ruth Hedeman · World Data Center A for Solar-Terrestrial Physics, NOAA
63 sayfa · 1981
Charts, diagrams / Solar plages
Flare index for each day of IGY based on McMath-Hulbert Observatory working list of IGY flares
Helen Walter Dodson, E. Ruth Hedeman, University of Michigan. McMath-Hulbert Observatory · High Altitude Observatory [University of Colorado
18 sayfa · 1961
Prominences
Solar activity catalogue
Fred C. Jonah, Helen Walter Dodson, E. Ruth Hedeman, Manned Spacecraft Center (U.S.) · National Aeronautics and Space Administration, Manned Spacecraft Center
Sayfa sayısı yok · 1965
Solar activity / Charts, diagrams
McMath-Hulbert Observatory working list of IGY flares
Helen Walter Dodson, E. Ruth Hedeman, IGY World Data Center A: Solar Activity, McMath-Hulbert Observatory · High Altitude Observatory, University of Colorado
156 sayfa · 1960
Solar flares