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Sunspots and active regions — December 20, 2023

December 20, 2023

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Home Sunspots and active regions December 20, 2023

Sunspots and active regions

The following active regions with sunspot groups were visible on the Sun on December 20, 2023. 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)
№ 3530 N09 E63 04 0050 Beta Dec 26, 2023 Jan 2, 2024 Jan 15, 2024
№ 3529 S19 E42 08 0250 Beta-Gamma Dec 24, 2023 Dec 31, 2023 Jan 14, 2024
№ 3528 N08 E01 10 0110 Beta Dec 21, 2023 Dec 28, 2023 Jan 10, 2024
№ 3527 S01 W69 02 0025 Beta Dec 16, 2023 Dec 23, 2023 Jan 5, 2024
№ 3526 N15 E44 05 0190 Beta Dec 24, 2023 Dec 31, 2023 Jan 14, 2024
№ 3525 S05 E03 01 0005 Alpha Dec 21, 2023 Dec 28, 2023 Jan 11, 2024
№ 3524 N26 E22 01 0005 Alpha Dec 23, 2023 Dec 30, 2023 Jan 13, 2024
№ 3523 N25 E24 01 0005 Alpha Dec 23, 2023 Dec 30, 2023 Jan 13, 2024
№ 3521 N12 E19 03 0020 Beta Dec 22, 2023 Dec 29, 2023 Jan 12, 2024
№ 3519 S10 W42 09 0090 Beta Dec 18, 2023 Dec 25, 2023 Jan 7, 2024

Solar cycle progression

The average monthly sunspot number (SSN) from January 1994 to December 2023. The gray background is the average SSN index.