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) | |
|---|---|---|---|---|---|---|---|---|
| № 2888 | S15 | E66 | 01 | 0020 | Alpha | Oct 31, 2021 | Nov 7, 2021 | Nov 20, 2021 |
| № 2887 | S25 | E40 | 14 | 0440 | Beta | Oct 29, 2021 | Nov 5, 2021 | Nov 19, 2021 |
| № 2886 | S19 | W15 | 01 | 0110 | Alpha | Oct 25, 2021 | Nov 1, 2021 | Nov 14, 2021 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1992, January to 2021, October. Gray background - average solar cycle.
