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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1107 | N33 | E64 | 01 | 0010 | Alpha | Sep 19, 2010 | Sep 26, 2010 | Oct 10, 2010 |
| № 1106 | S19 | E59 | 05 | 0080 | Beta | Sep 18, 2010 | Sep 25, 2010 | Oct 9, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to September 2010. The gray background is the average SSN index.
