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The Sun Today

AR12192 is the biggest sunspot in 2 solar cycles and the largest since Nov. 1990.

AR12192: Biggest Sunspot of Two Solar Cycles!


The X-flare from AR12192 not yet at its peak in the SDO/AIA 131 extreme ultraviolet wavelength channel. credit: NASA/SDO

Another X-flare from AR12192


An SDO/HMI view of the visible sun showing the largest sunspot of solar cycle 24, AR12192.

AR12192: The Largest Sunspot Group of Solar Cycle 24


The graphic shows the shape of the eclipse seen in different locations.

October 23, 2014 Partial Solar Eclipse


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