Huge sunspot AR1515 has released another M-class flare this morning. At 7:39am EDT the active region released an M6.1 class flare which peaked five minutes later. This image, taken by the Solar Dynamics Observatory (SDO), is shown in the 304 Angstrom wavelength, which is typically colorized in red and focuses on Helium in the chromosphere and transition region of the sun. Credit: NASA/SDO/AIA› Link to associated news item› Link to solar layers image
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