Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 30, 2010. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1102 | N27 | W11 | 04 | 0030 | Beta | Aug 30, 2010 | Sep 6, 2010 | Sep 20, 2010 |
| № 1101 | N12 | E09 | 01 | 0140 | Alpha | Sep 1, 2010 | Sep 7, 2010 | Sep 21, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to August 2010. The gray background is the average SSN index.