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) | |
|---|---|---|---|---|---|---|---|---|
| № 1267 | S15 | W28 | 03 | 0010 | Alpha | Aug 9, 2011 | Aug 16, 2011 | Aug 29, 2011 |
| № 1266 | N19 | W24 | 13 | 0070 | Beta | Aug 9, 2011 | Aug 16, 2011 | Aug 30, 2011 |
| № 1263 | N17 | W79 | 08 | 0340 | Beta-Gamma-Delta | Aug 5, 2011 | Aug 12, 2011 | Aug 25, 2011 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1982, January to 2011, August. Gray background - average solar cycle.
