Geomagnetic Activity Summary 2017
Taken by Stuart Green on January 20, 2018 @
Preston Lancashire UK
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With my home built magnetometer running 24/7 I was able to capture pretty much every rumble within the geomagnetic environment through 2017. Here is a summary of all 193801 data points collected over this period in relation to solar activity (SDO/AIA inset images). Mostly the geomagnetic events can be traced back to the presence of coronal holes, with a few CMEs in the mix. It shows that even with the declining solar cycle there are still lots of opportunities for aurora spotting. No sunspots required!
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