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Sunspots and active regions — April 4, 2022

April 4, 2022

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Sunspots and active regions

The following active regions with sunspot groups were visible on the Sun on April 4, 2022. 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)
№ 2985 S20 E69 03 0030 Alpha Apr 10, 2022 Apr 17, 2022 May 1, 2022
№ 2984 N12 W82 02 0030 Beta Mar 30, 2022 Apr 6, 2022 Apr 19, 2022
№ 2983 N23 E29 03 0030 Alpha Apr 7, 2022 Apr 14, 2022 Apr 28, 2022
№ 2982 S19 E22 01 0010 Alpha Apr 7, 2022 Apr 13, 2022 Apr 27, 2022
№ 2981 S25 W06 16 0120 Beta Apr 4, 2022 Apr 11, 2022 Apr 25, 2022
№ 2978 S18 W09 14 0440 Beta Apr 4, 2022 Apr 11, 2022 Apr 25, 2022
№ 2976 N20 W77 02 0310 Alpha Mar 30, 2022 Apr 6, 2022 Apr 20, 2022
№ 2975 N15 W90 08 0260 Beta-Gamma Mar 29, 2022 Apr 5, 2022 Apr 19, 2022

Solar cycle progression

The average monthly sunspot number (SSN) from January 1993 to April 2022. The gray background is the average SSN index.