Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 25, 2021. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2825 | N17 | E39 | 01 | 0010 | Alpha | May 29, 2021 | Jun 5, 2021 | Jun 19, 2021 |
| № 2824 | N19 | W13 | 08 | 0180 | Beta-Gamma | May 25, 2021 | Jun 1, 2021 | Jun 15, 2021 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to May 2021. The gray background is the average SSN index.
