File:99 Overlapping-Cycles.png

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Revision as of 19:13, 27 April 2010 by imported>Hhudson (uploaded a new version of "Image:99 Overlapping-Cycles.png": Figure 3: Recent solar minima decomposed using the 'region days' analysis into their old-cycle and new-cycle components. Note that the earlier minima had much more overlap between cycles, an)
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Figure 3. Four panels showing the decomposition of sunspot groups by cycle membership. This is unambiguously determined from their magnetic polarities. The bottom three panels show recent minimum periods; our current minimum (the very bottom) shows that the late arrival of new-cycle spots has allowed the number of old-cycle spots, and hence the total spot coverage, to be remarkably low.

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