Tag: STCE

via the ARRL: Reverse-Polarity Sunspot Group Does Not Belong to Cycle 25, Observatory Says

The Royal Observatory of Belgium’s Solar-Terrestrial Centre of Excellence (STCE) has asserted that the reverse polarity sunspot group 2720 observed in late August belongs to the current solar cycle — Cycle 24 — and does not represent the start of Cycle 25. “Because of its reversed polarity, some websites claimed sunspot group 2720 was possibly one of […]

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