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) | |
|---|---|---|---|---|---|---|---|---|
| № 2814 | S22 | W30 | 12 | 0050 | Beta | Apr 15, 2021 | Apr 22, 2021 | May 5, 2021 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1992, January to 2021, April. Gray background - average solar cycle.
