Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1112 | S19 | E28 | 01 | 0020 | Alpha | Oct 16, 2010 | Oct 23, 2010 | Nov 6, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to October 2010. The gray background is the average SSN index.
