Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2826 | N24 | W72 | 09 | 0280 | Beta | May 23, 2021 | May 30, 2021 | Jun 13, 2021 |
| № 2824 | N20 | W53 | 05 | 0250 | Beta | May 25, 2021 | Jun 1, 2021 | Jun 14, 2021 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to May 2021. The gray background is the average SSN index.
