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 | S17 | W00 | 08 | 0040 | Beta | Aug 9, 2011 | Aug 16, 2011 | Aug 30, 2011 |
| № 1266 | N18 | E01 | 08 | 0030 | Beta | Aug 9, 2011 | Aug 16, 2011 | Aug 30, 2011 |
| № 1263 | N17 | W55 | 27 | 0510 | Beta-Gamma-Delta | Aug 5, 2011 | Aug 12, 2011 | Aug 25, 2011 |
| № 1261 | N16 | W89 | 06 | 0090 | Beta | Aug 2, 2011 | Aug 9, 2011 | Aug 23, 2011 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1982, January to 2011, August. Gray background - average solar cycle.
