Active areas
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) | |
|---|---|---|---|---|---|---|---|---|
| № 2852 | S11 | E43 | 03 | 0010 | Beta | Aug 10, 2021 | Aug 17, 2021 | Aug 31, 2021 |
| № 2851 | N15 | W06 | 02 | 0010 | Beta | Aug 6, 2021 | Aug 13, 2021 | Aug 27, 2021 |
| № 2850 | S30 | W67 | 01 | 0010 | Alpha | Aug 2, 2021 | Aug 9, 2021 | Aug 23, 2021 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1992, January to 2021, August. Gray background - average solar cycle.

