© Wilcox Solar ObservatorySource
This is fairly important news given the sun is strongly a magnetic entity, moreover this might be in line with some predictions about a kind of magnetic collapse.
- Livingston and Penn work which suggests the visibility of sunspots will drop.
© Science@NASANOTE: NASA have used an offset Y axis, visually misleading, the slope is far less than shown.
- Monopole solar activity as suggested was the case during a previous solar minimum based on work with unpublished solar drawings in Scandinavian university archives. (vague because I can't remember the source)
The polar field is not known before recent times, deduced from spectroscopic work.
On looking back at various Talkshop articles the following surprise dated March 2011
© Tallbloke Talkshop
Vuc had helped out by telling me about data which extends the dataset back in time a little. I think more luck than law but it suggests there is a significant meaning in detail cyclic content.
Previous posts on this subject are best found by Google, which indexes blogs so here is a specific search phrase - site:tallbloke.wordpress.com wso polar