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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2441 | N14 | E47 | 02 | 0030 | Beta | Nov 2, 2015 | Nov 8, 2015 | Nov 22, 2015 |
| № 2440 | N19 | W16 | 04 | 0030 | Beta | Oct 28, 2015 | Nov 4, 2015 | Nov 17, 2015 |
| № 2439 | N16 | E11 | 01 | 0010 | Alpha | Oct 30, 2015 | Nov 6, 2015 | Nov 19, 2015 |
| № 2437 | S21 | W47 | 01 | 0010 | Alpha | Oct 25, 2015 | Nov 1, 2015 | Nov 15, 2015 |
| № 2436 | N08 | W61 | 06 | 0110 | Beta | Oct 24, 2015 | Oct 31, 2015 | Nov 14, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to October 2015. The gray background is the average SSN index.
