Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 24, 2011. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1276 | N20 | E49 | 01 | 0010 | Alpha | Aug 29, 2011 | Sep 5, 2011 | Sep 18, 2011 |
| № 1275 | N08 | E40 | 01 | 0020 | Alpha | Aug 28, 2011 | Sep 4, 2011 | Sep 17, 2011 |
| № 1274 | N19 | E31 | 02 | 0030 | Alpha | Aug 27, 2011 | Sep 3, 2011 | Sep 17, 2011 |
| № 1272 | S21 | W19 | 06 | 0040 | Beta | Aug 23, 2011 | Aug 30, 2011 | Sep 13, 2011 |
| № 1271 | N17 | W28 | 21 | 0270 | Beta | Aug 23, 2011 | Aug 30, 2011 | Sep 12, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to August 2011. The gray background is the average SSN index.
