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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1584 | S23 | E30 | 03 | 0010 | Beta | Oct 4, 2012 | Oct 11, 2012 | Oct 25, 2012 |
| № 1583 | N12 | W86 | 06 | 0090 | Beta | Sep 25, 2012 | Oct 2, 2012 | Oct 16, 2012 |
| № 1582 | S12 | E17 | 01 | 0350 | Alpha | Oct 3, 2012 | Oct 10, 2012 | Oct 24, 2012 |
| № 1579 | S09 | W06 | 04 | 0180 | Beta | Oct 1, 2012 | Oct 8, 2012 | Oct 22, 2012 |
| № 1578 | N21 | W73 | 02 | 0010 | Beta | Sep 26, 2012 | Oct 3, 2012 | Oct 17, 2012 |
| № 1577 | N09 | W66 | 08 | 0090 | Beta | Sep 27, 2012 | Oct 4, 2012 | Oct 17, 2012 |
| № 1575 | N07 | W85 | 01 | 0100 | Alpha | Sep 25, 2012 | Oct 2, 2012 | Oct 16, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to October 2012. The gray background is the average SSN index.
