September 7, 2017September 22, 2017AR 2673 – September 7, 2017 Continue reading "AR 2673 – September 7, 2017"
September 6, 2017September 6, 2017AR 2673 – September 6, 2017 Continue reading "AR 2673 – September 6, 2017"
September 4, 2017September 5, 2017Sunspot groups 2673 and 2674 – September 4, 2017 Continue reading "Sunspot groups 2673 and 2674 – September 4, 2017"
September 1, 2017September 1, 2017AR 2674 – September 1, 2017 Continue reading "AR 2674 – September 1, 2017"
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