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) | |
|---|---|---|---|---|---|---|---|---|
| № 1266 | N18 | E40 | 03 | 0020 | Beta | Aug 9, 2011 | Aug 16, 2011 | Aug 29, 2011 |
| № 1263 | N17 | W16 | 17 | 0720 | Beta-Gamma-Delta | Aug 5, 2011 | Aug 11, 2011 | Aug 25, 2011 |
| № 1261 | N15 | W47 | 19 | 0380 | Beta-Gamma-Delta | Aug 2, 2011 | Aug 9, 2011 | Aug 23, 2011 |
| № 1260 | N19 | W76 | 02 | 0260 | Beta | Jul 31, 2011 | Aug 7, 2011 | Aug 21, 2011 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1982, January to 2011, August. Gray background - average solar cycle.
