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Figure 1: The daily area-weighted latitude of sunspot groups as a function of time. |
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Figure 2: The daily latitudinal area-weighted extension of activity as a function of time. The vertical dashed lines denote the Schwabe minima. |
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Figure 3:
The DFT-based power spectrum for the difference between the ensemble average area of sunspot groups for the two hemispheres, i.e.
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Figure 4:
Difference between the ensemble average area of sunspot groups for the two hemispheres, i.e.
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Figure 5:
The mean (solid line) and the standard deviation (dashed line) of the daily latitudinal extension of activity as a function of time. The dotted line represents the results of Garcia & Mouradian (1998), i.e. the secularly smoothed sunspot number of minima
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