Sunspots and active regions — May 31, 2021
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) | |
|---|---|---|---|---|---|---|---|---|
| № 2828 | S32 | E35 | 02 | 0010 | Alpha | Jun 4, 2021 | Jun 11, 2021 | Jun 25, 2021 |
| № 2827 | N11 | E31 | 05 | 0060 | Beta | Jun 3, 2021 | Jun 10, 2021 | Jun 24, 2021 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1992, January to 2021, May. Gray background - average solar cycle.
