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) | |
|---|---|---|---|---|---|---|---|---|
| № 1101 | N13 | E50 | 01 | 0090 | Alpha | Sep 1, 2010 | Sep 7, 2010 | Sep 21, 2010 |
| № 1100 | S20 | W76 | 02 | 0010 | Alpha | Aug 22, 2010 | Aug 29, 2010 | Sep 12, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, August. Gray background - average solar cycle.

