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Sunspot AR2192 Flare Family Portrait

The largest sunspot of this solar cycle, named AR2192, first appeared on the Earth-facing side of the sun on Oct. 19, 2014 and quickly made its presence known. Over the next two weeks, it produced 10 substantial solar flares and numerous smaller ones. Before rotating off the sun's western limb on Oct 30, 2014, it had produced six X-class solar flare and four flares of M5 and above. This graphic is a portrait of these significant flares.
All images were taken using NASA's Solar Dynamics Observatory, or SDO, with the Atmospheric Imaging Assembly instrument, except for the top most image which was taken by the Helioseismic and Magnetic Imager instrument on board.

The top most image shows sunspot AR2192 on Oct. 23, 2014.
Starting with the top row of flare images and moving left to right, are:
 

  • An X1.1-class solar flare, peaking at 1:01 a.m. EDT on Oct. 19, 2014, and shown in wavelength of 131 Angstrom.
  • An M8.7-class flare, peaking at 9:59 p.m. EDT on Oct. 21, 2014, and shown in combined wavelengths of 171 and 304 Angstrom.
  • An X1.6 flare, peaking at 10:28 a.m. EDT on Oct. 22, 2014, and shown in 131 Angstrom.
  • Second row, left, An X3.1 flare, peaking at 5:41 p.m. EDT on Oct. 24, 2014, and shown in combined 171 and 304 Angstrom.
  • An X1.0 flare, peaking at 1:08 p.m. EDT on Oct. 25, 2014, and shown in 131 Angstrom.
  • An X2.0 flare, peaking at 6:56 a.m. EDT on Oct. 26, 2014, and shown in combined 171 and 304 Angstrom.
  • Third row, left, an M7.1 and an M6.7, the first peaking at 8:34 pm EDT on Oct. 26, 2014 and the M6.7, peaking at 6:09 am EDT on Oct. 27, 2014. Both are shown in 131 Angstrom.
  • An X2.0 flare, peaking at 10:47 a.m. EDT on Oct. 27, 2014, and shown in combined wavelengths of 304 and 171 Angstroms.
  • An M6.6-class, peaking at 11:32 pm EDT on Oct. 28, 2014, and shown in combined wavelengths of 304 and 171 Angstroms.

Credit: NASA/SDO/H.Zell

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Page Last Updated: October 31st, 2014
Page Editor: Holly Zell