Sunspots and active regions — January 22, 2021
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) | |
|---|---|---|---|---|---|---|---|---|
| № 2798 | S16 | E34 | 04 | 0040 | Beta | Jan 26, 2021 | Feb 1, 2021 | Feb 15, 2021 |
| № 2797 | S18 | E22 | 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.
