Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 2, 2012. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1584 | S23 | E16 | 04 | 0040 | Beta | Oct 4, 2012 | Oct 11, 2012 | Oct 25, 2012 |
| № 1582 | S11 | E02 | 01 | 0310 | Alpha | Oct 3, 2012 | Oct 10, 2012 | Oct 24, 2012 |
| № 1579 | S09 | W21 | 02 | 0170 | Beta | Oct 1, 2012 | Oct 8, 2012 | Oct 22, 2012 |
| № 1578 | N21 | W88 | 01 | 0020 | Alpha | Sep 26, 2012 | Oct 3, 2012 | Oct 17, 2012 |
| № 1577 | N09 | W82 | 01 | 0040 | Beta | Sep 27, 2012 | Oct 4, 2012 | Oct 17, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to October 2012. The gray background is the average SSN index.