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) | |
|---|---|---|---|---|---|---|---|---|
| № 2812 | N21 | E15 | 01 | 0030 | Alpha | Mar 29, 2021 | Apr 5, 2021 | Apr 19, 2021 |
| № 2811 | N20 | W07 | 03 | 0010 | Beta | Mar 27, 2021 | Apr 3, 2021 | Apr 17, 2021 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1992, January to 2021, March. Gray background - average solar cycle.
