Sunday, September 24, 2017

SUNSPOT Taken by Bum-Suk Yeom on September 24, 2017 @ Iksan-si, South Korea



The return of the large sunspot (called AR2673). For the past two weeks, AR2673 has been transiting the backside of the sun, carried around by the suns 27-day rotation.
Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams. Bum-Suk Yeom.

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