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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 12, 2015. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2432 | S23 | E43 | 04 | 0020 | Beta | Oct 16, 2015 | Oct 23, 2015 | Nov 6, 2015 |
| № 2431 | S18 | E61 | 01 | 0050 | Alpha | Oct 18, 2015 | Oct 25, 2015 | Nov 7, 2015 |
| № 2430 | S17 | E19 | 01 | 0010 | Alpha | Oct 14, 2015 | Oct 21, 2015 | Nov 4, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to October 2015. The gray background is the average SSN index.
