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) | |
|---|---|---|---|---|---|---|---|---|
| № 1104 | N24 | W26 | 02 | 0010 | beta | Aug 31, 2010 | Sep 7, 2010 | Sep 21, 2010 |
| № 1103 | N25 | W31 | 02 | 0010 | beta | Aug 31, 2010 | Sep 6, 2010 | Sep 20, 2010 |
| № 1102 | N26 | W51 | 05 | 0100 | beta | Aug 29, 2010 | Sep 5, 2010 | Sep 19, 2010 |
| № 1101 | N12 | W31 | 02 | 0150 | beta | Aug 31, 2010 | Sep 6, 2010 | Sep 20, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, September. Gray background - average solar cycle.

