Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2892 | N27 | W13 | 02 | 0010 | Beta | Oct 31, 2021 | Nov 7, 2021 | Nov 21, 2021 |
| № 2891 | N16 | E31 | 20 | 0240 | Beta | Nov 3, 2021 | Nov 10, 2021 | Nov 24, 2021 |
| № 2889 | S23 | W08 | 01 | 0010 | Alpha | Oct 31, 2021 | Nov 7, 2021 | Nov 21, 2021 |
| № 2887 | S28 | W31 | 13 | 0210 | Beta-Gamma | Oct 29, 2021 | Nov 5, 2021 | Nov 20, 2021 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to October 2021. The gray background is the average SSN index.
