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) | |
|---|---|---|---|---|---|---|---|---|
| № 1563 | S25 | E72 | 01 | 0010 | Alpha | Sep 7, 2012 | Sep 13, 2012 | Sep 27, 2012 |
| № 1562 | S16 | E57 | 01 | 0010 | Alpha | Sep 5, 2012 | Sep 12, 2012 | Sep 26, 2012 |
| № 1561 | S12 | E16 | 03 | 0020 | Beta | Sep 2, 2012 | Sep 9, 2012 | Sep 23, 2012 |
| № 1560 | N03 | E23 | 08 | 0050 | Beta | Sep 3, 2012 | Sep 9, 2012 | Sep 23, 2012 |
| № 1559 | N17 | E38 | 02 | 0010 | Alpha | Sep 4, 2012 | Sep 11, 2012 | Sep 24, 2012 |
| № 1555 | N08 | E02 | 11 | 0030 | Beta | Sep 1, 2012 | Sep 8, 2012 | Sep 21, 2012 |
| № 1554 | N16 | W64 | 05 | 0090 | Beta | Aug 27, 2012 | Sep 3, 2012 | Sep 17, 2012 |
| № 1553 | S21 | W29 | 07 | 0150 | Beta | Aug 30, 2012 | Sep 6, 2012 | Sep 19, 2012 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1983, January to 2012, September. Gray background - average solar cycle.
