Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1111 | N23 | E53 | 01 | 0010 | Alpha | Oct 5, 2010 | Oct 12, 2010 | Oct 26, 2010 |
| № 1110 | N19 | W47 | 07 | 0050 | Beta | Sep 28, 2010 | Oct 4, 2010 | Oct 18, 2010 |
| № 1109 | N22 | W26 | 13 | 0310 | Beta | Sep 29, 2010 | Oct 6, 2010 | Oct 20, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to September 2010. The gray background is the average SSN index.
