April’s solar flares through the eyes of Solar Dynamics Observatory
After 8 months without any significant solar flare, the Sun awakened on April 1, 2017, and unleashed 7 M-class solar flares over the next 2 days. The source of all of them was departing Region 2644.
The series started with M4.4 on April 1 and was followed by M5.3, M2.3, M2.1 and M5.7 on April 2, and M1.2 and M5.8 on April 3. Multiple coronal mass ejections were associated with those events but none of them was Earth-directed.
Three of them were larger than M5 and can be seen in the video below, through the eyes of NASA's Solar Dynamics Observatory:
Video courtesy NASA's Goddard Space Flight Center
Data and imagery for each solar flare in this sequence can be found on the link below:
Seven M-class solar flares erupt from Region 2644
Featured image credit: NASA/SDO
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