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) | |
|---|---|---|---|---|---|---|---|---|
| № 1109 | N19 | E77 | 01 | 0030 | Alpha | Sep 29, 2010 | Oct 6, 2010 | Oct 19, 2010 |
| № 1108 | S30 | E16 | 05 | 0270 | Beta | Sep 24, 2010 | Oct 1, 2010 | Oct 15, 2010 |
| № 1106 | S22 | W67 | 01 | 0002 | Alpha | Sep 18, 2010 | Sep 25, 2010 | Oct 8, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, September. Gray background - average solar cycle.
