Sunspots and active regions — May 21, 2025
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 4093 | S06 | E65 | 05 | 0030 | Beta | May 27, 2025 | Jun 3, 2025 | Jun 16, 2025 |
| № 4092 | S13 | E53 | 01 | 0050 | Alpha | May 26, 2025 | Jun 2, 2025 | Jun 15, 2025 |
| № 4090 | S12 | E10 | 02 | 0040 | Alpha | May 23, 2025 | May 29, 2025 | Jun 12, 2025 |
| № 4089 | N18 | E02 | 05 | 0010 | Beta | May 22, 2025 | May 29, 2025 | Jun 12, 2025 |
| № 4087 | N16 | W26 | 04 | 0160 | Beta-Delta | May 20, 2025 | May 27, 2025 | Jun 9, 2025 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1996, January to 2025, May. Gray background - average solar cycle.
