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Sunspots and active regions — August 1, 2025

August 1, 2025

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Sunspots and active regions

The following active regions with sunspot groups were visible on the Sun on August 1, 2025. 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)
№ 4167 N10 W07 10 0040 Beta Aug 1, 2025 Aug 8, 2025 Aug 22, 2025
№ 4166 N24 W38 04 0030 Beta Jul 30, 2025 Aug 6, 2025 Aug 20, 2025
№ 4165 N12 E60 02 0080 Beta Aug 6, 2025 Aug 13, 2025 Aug 27, 2025
№ 4161 S12 E27 04 0110 Beta Aug 4, 2025 Aug 11, 2025 Aug 24, 2025
№ 4157 S21 W40 01 0040 Alpha Jul 30, 2025 Aug 6, 2025 Aug 19, 2025
№ 4155 S09 W36 16 0030 Beta Jul 30, 2025 Aug 6, 2025 Aug 19, 2025
№ 4154 S15 W48 03 0040 Alpha Jul 29, 2025 Aug 5, 2025 Aug 19, 2025
№ 4153 S29 W59 07 0120 Beta Jul 28, 2025 Aug 4, 2025 Aug 18, 2025
№ 4149 N16 W93 01 0070 Alpha Jul 26, 2025 Aug 2, 2025 Aug 15, 2025

Solar cycle progression

The average monthly sunspot number (SSN) from January 1996 to August 2025. The gray background is the average SSN index.