Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1600 | N09 | W28 | 02 | 0020 | Beta | Oct 27, 2012 | Nov 3, 2012 | Nov 16, 2012 |
| № 1599 | S11 | E16 | 01 | 0110 | Alpha | Oct 30, 2012 | Nov 6, 2012 | Nov 20, 2012 |
| № 1598 | S11 | W10 | 11 | 0330 | Beta-Delta | Oct 28, 2012 | Nov 4, 2012 | Nov 18, 2012 |
| № 1596 | N08 | W48 | 05 | 0170 | Beta-Gamma | Oct 25, 2012 | Nov 1, 2012 | Nov 15, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to October 2012. The gray background is the average SSN index.