Halloween Storms

October 28, 2018
X17 Solar Flare and Solar Storm of October 28, 2003 - See more at: https://www.thesuntoday.org/historical-sun/x17-solar-flare-and-solar-storm-of-october-28-2003/#sthash.MVxvGCI4.dpuf
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X17 Solar Flare and Solar Storm of October 28, 2003

On this day in 2003 (October 28), the Sun unleashed one of the largest and most geoeffective solar storms of the modern age (and consequently, one of the most studied).
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October 23, 2014
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AR12192: Biggest Sunspot of Two Solar Cycles!

As of October 23, 2014, AR12192 is now the Biggest sunspot in 2 solar cycles. Just yesterday it reached the rank of largest sunspot in cycle 24. The sunspot measures a whopping 2700 microhemispheres (MH or millionths of a visible […]
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