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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1597 | S21 | W41 | 04 | 0060 | Beta | Oct 18, 2012 | Oct 25, 2012 | Nov 7, 2012 |
| № 1596 | N08 | E62 | 05 | 0330 | Beta-Gamma | Oct 26, 2012 | Nov 1, 2012 | Nov 15, 2012 |
| № 1594 | S27 | E13 | 02 | 0010 | Beta | Oct 22, 2012 | Oct 29, 2012 | Nov 12, 2012 |
| № 1593 | N17 | E24 | 05 | 0040 | Beta | Oct 23, 2012 | Oct 30, 2012 | Nov 12, 2012 |
| № 1591 | N08 | W20 | 01 | 0150 | Alpha | Oct 19, 2012 | Oct 26, 2012 | Nov 9, 2012 |
| № 1590 | S30 | W40 | 02 | 0010 | Beta | Oct 18, 2012 | Oct 25, 2012 | Nov 8, 2012 |
| № 1589 | N12 | W57 | 10 | 0030 | Beta | Oct 17, 2012 | Oct 23, 2012 | Nov 6, 2012 |
| № 1586 | S12 | W91 | 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.
