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) | |
|---|---|---|---|---|---|---|---|---|
| № 2905 | S11 | E44 | 02 | 0030 | Beta | Dec 17, 2021 | Dec 24, 2021 | Jan 7, 2022 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1992, January to 2021, December. Gray background - average solar cycle.
