Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1275 | N06 | E68 | 01 | 0030 | Beta | Aug 28, 2011 | Sep 4, 2011 | Sep 17, 2011 |
| № 1274 | N18 | E57 | 02 | 0030 | Beta | Aug 27, 2011 | Sep 3, 2011 | Sep 17, 2011 |
| № 1272 | S21 | E03 | 08 | 0090 | Beta | Aug 23, 2011 | Aug 30, 2011 | Sep 13, 2011 |
| № 1271 | N16 | W01 | 15 | 0240 | 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.
