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) | |
|---|---|---|---|---|---|---|---|---|
| № 2799 | N21 | W30 | 02 | 0010 | Beta | Jan 22, 2021 | Jan 29, 2021 | Feb 11, 2021 |
| № 2798 | S16 | E18 | 05 | 0020 | Beta | Jan 25, 2021 | Feb 1, 2021 | Feb 15, 2021 |
| № 2797 | S18 | E09 | 02 | 0070 | Alpha | Jan 25, 2021 | Feb 1, 2021 | Feb 14, 2021 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1992, January to 2021, January. Gray background - average solar cycle.

