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From July 5 - 17, 2017, NASA spacecraft observed a sunspot as it grew and eventually rotated out of view.
July 9, 2017 M1.3 solar flare
Then the spacecraft repositioned during a calibration maneuver.
July 14, 2017 - M2.4 solar flare and an eruption of material called a coronal mass ejection or CME.
Researchers modeled the solar storm's path through space.
Two days later, the CME sparked enhanced aurora on Earth.
By then, the sunspot was almost out of view.
So long, sunspot.
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