Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2440 | N20 | W02 | 06 | 0040 | Beta | Oct 28, 2015 | Nov 4, 2015 | Nov 18, 2015 |
| № 2439 | N16 | E24 | 01 | 0020 | Alpha | Oct 30, 2015 | Nov 6, 2015 | Nov 19, 2015 |
| № 2437 | S21 | W33 | 02 | 0010 | Alpha | Oct 25, 2015 | Nov 1, 2015 | Nov 15, 2015 |
| № 2436 | N09 | W46 | 12 | 0170 | Beta | Oct 25, 2015 | Oct 31, 2015 | Nov 14, 2015 |
| № 2435 | S13 | W62 | 01 | 0010 | Alpha | Oct 23, 2015 | Oct 30, 2015 | Nov 13, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to October 2015. The gray background is the average SSN index.
