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) | |
|---|---|---|---|---|---|---|---|---|
| № 1172 | N12 | E58 | 02 | 0020 | Beta | Mar 18, 2011 | Mar 25, 2011 | Apr 8, 2011 |
| № 1169 | N19 | W22 | 17 | 0260 | Beta-Gamma | Mar 12, 2011 | Mar 19, 2011 | Apr 2, 2011 |
| № 1166 | N09 | W52 | 29 | 0770 | Beta-Gamma-Delta | Mar 10, 2011 | Mar 17, 2011 | Mar 30, 2011 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1982, January to 2011, March. Gray background - average solar cycle.
