Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1555 | N08 | E58 | 07 | 0310 | Beta | Sep 1, 2012 | Sep 8, 2012 | Sep 22, 2012 |
| № 1554 | N16 | W13 | 11 | 0140 | Beta | Aug 27, 2012 | Sep 3, 2012 | Sep 16, 2012 |
| № 1553 | S21 | E20 | 06 | 0110 | Beta | Aug 29, 2012 | Sep 5, 2012 | Sep 19, 2012 |
| № 1552 | S17 | W05 | 03 | 0020 | Alpha | Aug 27, 2012 | Sep 3, 2012 | Sep 17, 2012 |
| № 1546 | N17 | W57 | 01 | 0010 | Alpha | Aug 24, 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.