Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 25, 2012. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1554 | N16 | E14 | 11 | 0060 | Beta | Aug 27, 2012 | Sep 3, 2012 | Sep 16, 2012 |
| № 1553 | S22 | E48 | 01 | 0090 | Alpha | Aug 30, 2012 | Sep 5, 2012 | Sep 19, 2012 |
| № 1552 | S17 | E20 | 01 | 0020 | Alpha | Aug 27, 2012 | Sep 3, 2012 | Sep 17, 2012 |
| № 1548 | N18 | W07 | 05 | 0020 | Beta | Aug 25, 2012 | Sep 1, 2012 | Sep 15, 2012 |
| № 1546 | N16 | W33 | 01 | 0010 | Alpha | Aug 23, 2012 | Aug 30, 2012 | Sep 13, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to August 2012. The gray background is the average SSN index.
