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) | |
|---|---|---|---|---|---|---|---|---|
| № 1554 | N16 | E13 | 11 | 0060 | Beta | Aug 27, 2012 | Sep 3, 2012 | Sep 16, 2012 |
| № 1553 | S22 | E47 | 01 | 0090 | Alpha | Aug 30, 2012 | Sep 5, 2012 | Sep 19, 2012 |
| № 1552 | S17 | E19 | 01 | 0020 | Alpha | Aug 27, 2012 | Sep 3, 2012 | Sep 17, 2012 |
| № 1548 | N18 | W08 | 05 | 0020 | Beta | Aug 25, 2012 | Sep 1, 2012 | Sep 15, 2012 |
| № 1546 | N16 | W34 | 01 | 0010 | Alpha | Aug 23, 2012 | Aug 30, 2012 | Sep 13, 2012 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1983, January to 2012, August. Gray background - average solar cycle.

