No image for the selected date
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 | W39 | 01 | 0010 | Alpha | Oct 16, 2012 | Oct 23, 2012 | Nov 5, 2012 |
| № 1594 | S27 | E35 | 04 | 0050 | Beta | Oct 22, 2012 | Oct 29, 2012 | Nov 12, 2012 |
| № 1593 | N17 | E51 | 01 | 0040 | Alpha | Oct 23, 2012 | Oct 30, 2012 | Nov 12, 2012 |
| № 1591 | N07 | E09 | 06 | 0130 | Beta | Oct 20, 2012 | Oct 26, 2012 | Nov 9, 2012 |
| № 1590 | S30 | W16 | 03 | 0010 | Beta | Oct 18, 2012 | Oct 25, 2012 | Nov 8, 2012 |
| № 1589 | N13 | W30 | 14 | 0090 | Beta | Oct 17, 2012 | Oct 23, 2012 | Nov 6, 2012 |
| № 1586 | S14 | W65 | 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.
