This is the German translation of the original English image, created by Xavax. This figure summarizes the 400 years of regular sunspot number observations...
depicts the last three solar cycles as measured in solar irradiance, sunspot numbers, solar flare activity, and 10.7 cm radio flux. Solar irradiance, i...
included In plate estimates. RELATIVE SUNSPOT NUMBERS Table 93 list® th® daily provisional Zurich relative sunspot sMaber® as communicated by th© Swiss...
Page Symbols, Terminology, Conventions . 2 Predicted and Observed Sunspot Numbers. 5 World-Wide Sources of Ionospheric Data. 6 Errata. 8 Examples...
