Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1583 | N13 | W73 | 05 | 0090 | Beta | Sep 25, 2012 | Oct 2, 2012 | Oct 16, 2012 |
| № 1582 | S11 | E30 | 01 | 0360 | Alpha | Oct 3, 2012 | Oct 10, 2012 | Oct 24, 2012 |
| № 1579 | S08 | E07 | 05 | 0190 | Beta | Oct 1, 2012 | Oct 8, 2012 | Oct 22, 2012 |
| № 1577 | N09 | W52 | 08 | 0090 | Beta | Sep 27, 2012 | Oct 4, 2012 | Oct 17, 2012 |
| № 1575 | N07 | W71 | 01 | 0100 | Alpha | Sep 26, 2012 | Oct 2, 2012 | Oct 16, 2012 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1983, January to 2012, September. Gray background - average solar cycle.
