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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1598 | S09 | E83 | 01 | 0100 | Alpha | Oct 28, 2012 | Nov 4, 2012 | Nov 18, 2012 |
| № 1597 | S22 | W57 | 06 | 0090 | Beta | Oct 18, 2012 | Oct 24, 2012 | Nov 7, 2012 |
| № 1596 | N06 | E47 | 06 | 0280 | Beta-Gamma | Oct 25, 2012 | Nov 1, 2012 | Nov 15, 2012 |
| № 1594 | S27 | W02 | 02 | 0010 | Beta | Oct 22, 2012 | Oct 29, 2012 | Nov 12, 2012 |
| № 1593 | N15 | E10 | 06 | 0070 | Beta | Oct 23, 2012 | Oct 30, 2012 | Nov 12, 2012 |
| № 1591 | N07 | W33 | 01 | 0110 | Alpha | Oct 19, 2012 | Oct 26, 2012 | Nov 9, 2012 |
| № 1590 | S31 | W52 | 06 | 0120 | Beta | Oct 18, 2012 | Oct 25, 2012 | Nov 8, 2012 |
| № 1589 | N12 | W69 | 04 | 0090 | Beta | Oct 17, 2012 | Oct 24, 2012 | Nov 6, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to October 2012. The gray background is the average SSN index.
