Geomagnetic activity
Taken by Stuart Green on August 3, 2019 @
Preston, Lancashire, UK
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Details:
Shown here are some geomagnetic data, captured on my magnetometer here in the UK, in which the changing levels of geomagnetic activity for the months of May, June and July (between the equinoxes) are compared for the years 2017, 2018 and 2019. The trend is clearly downward, with less frequent and intense storms in 2019, as the sun continues deeper into solar minimum.
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