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Active Region 1515 Releases M6.9 Class Solar Flare
This movie shows an M6.9 class flare on July 7, 2012 as captured by NASA's Solar Dynamics Observatory (SDO) in a combination of the 131, 171, and 304 Angstrom wavelengths. It has been colorized in yellow and red. The movie covers the time frame from 12:00 PM EDT to 1:30 PM. Credit: NASA/SDO/AIA/JHelioviewer
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Active Region 1515 released an M6.9 class flare beginning at 12:23 PM EDT and peaking at 12:32 on July 7, 2012. This region has been the source of much solar activity since July 2.

What is a solar flare? What is a coronal mass ejection?

For answers to these and other space weather questions, please visit the Spaceweather Frequently Asked Questions page.

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Karen C. Fox
NASA Goddard Space Flight Center, Greenbelt, MD