Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1595 | S14 | W41 | 01 | 0010 | Alpha | Oct 16, 2012 | Oct 23, 2012 | Nov 5, 2012 |
| № 1594 | S27 | E33 | 04 | 0050 | Beta | Oct 22, 2012 | Oct 29, 2012 | Nov 12, 2012 |
| № 1593 | N17 | E49 | 01 | 0040 | Alpha | Oct 23, 2012 | Oct 30, 2012 | Nov 12, 2012 |
| № 1591 | N07 | E07 | 06 | 0130 | Beta | Oct 20, 2012 | Oct 26, 2012 | Nov 9, 2012 |
| № 1590 | S30 | W18 | 03 | 0010 | Beta | Oct 18, 2012 | Oct 25, 2012 | Nov 8, 2012 |
| № 1589 | N13 | W32 | 14 | 0090 | Beta | Oct 17, 2012 | Oct 23, 2012 | Nov 6, 2012 |
| № 1586 | S14 | W67 | 01 | 0060 | Alpha | Oct 14, 2012 | Oct 21, 2012 | Nov 3, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to October 2012. The gray background is the average SSN index.
