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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 2, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2427 | N17 | W03 | 22 | 0180 | Beta | Oct 3, 2015 | Oct 10, 2015 | Oct 23, 2015 |
| № 2422 | S17 | W68 | 18 | 0750 | Beta-Gamma-Delta | Sep 28, 2015 | Oct 5, 2015 | Oct 18, 2015 |
| № 2420 | N10 | W69 | 03 | 0020 | Beta | Sep 28, 2015 | Oct 5, 2015 | Oct 18, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to October 2015. The gray background is the average SSN index.
