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) | |
|---|---|---|---|---|---|---|---|---|
| № 1552 | S18 | E43 | 01 | 0030 | Alpha | Aug 27, 2012 | Sep 3, 2012 | Sep 17, 2012 |
| № 1551 | N12 | W26 | 05 | 0010 | Beta | Aug 22, 2012 | Aug 29, 2012 | Sep 11, 2012 |
| № 1550 | S11 | W92 | 02 | 0010 | Beta | Aug 17, 2012 | Aug 24, 2012 | Sep 6, 2012 |
| № 1548 | N18 | E20 | 06 | 0040 | Beta | Aug 25, 2012 | Sep 1, 2012 | Sep 15, 2012 |
| № 1546 | N16 | W06 | 01 | 0020 | 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.

