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Sunspots and active regions — July 28, 2026

July 28, 2026

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Sunspots and active regions

The following active regions with sunspot groups were visible on the Sun on July 28, 2026. 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)
№ 4499 N04 E34 05 0030 Beta Jul 31, 2026 Aug 7, 2026 Aug 21, 2026
№ 4498 N14 E64 05 0210 Beta Aug 3, 2026 Aug 10, 2026 Aug 23, 2026
№ 4497 S19 W46 01 0010 Alpha Jul 25, 2026 Aug 1, 2026 Aug 15, 2026
№ 4496 N05 E08 08 0080 Beta Jul 29, 2026 Aug 5, 2026 Aug 19, 2026
№ 4495 S02 W37 04 0030 Beta Jul 26, 2026 Aug 2, 2026 Aug 15, 2026
№ 4494 S03 W26 06 0040 Beta Jul 27, 2026 Aug 3, 2026 Aug 16, 2026
№ 4493 N05 W99 03 0210 Beta Jul 21, 2026 Jul 28, 2026 Aug 11, 2026
№ 4492 N16 W46 03 0130 Alpha Jul 25, 2026 Aug 1, 2026 Aug 15, 2026

Solar cycle progression

The average monthly sunspot number (SSN) from January 1997 to July 2026. The gray background is the average SSN index.