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Sunspots and active regions — December 14, 2021

December 14, 2021

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Sunspots and active regions

The following active regions with sunspot groups were visible on the Sun on December 14, 2021. Coordinates are given as of the end of the day.
Group ID Location Number of sunspots Area (msh) Type CM Passage Disappearance (W90) Reappearance (W270)
№ 2907 S21 E63 03 0010 Beta Dec 20, 2021 Dec 27, 2021 Jan 9, 2022
№ 2906 S29 E41 04 0010 Beta Dec 18, 2021 Dec 25, 2021 Jan 8, 2022
№ 2905 S11 E34 03 0020 Beta Dec 17, 2021 Dec 24, 2021 Jan 7, 2022

Solar cycle progression

The average monthly sunspot number (SSN) from January 1992 to December 2021. The gray background is the average SSN index.