Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1100 | S23 | E52 | 01 | 0010 | Alpha | Aug 23, 2010 | Aug 30, 2010 | Sep 13, 2010 |
| № 1098 | N14 | W52 | 05 | 0010 | Beta | Aug 15, 2010 | Aug 22, 2010 | Sep 4, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to August 2010. The gray background is the average SSN index.
