Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2437 | S20 | E32 | 02 | 0020 | Alpha | Oct 25, 2015 | Nov 1, 2015 | Nov 15, 2015 |
| № 2436 | N08 | E16 | 23 | 0290 | Beta-Delta | Oct 24, 2015 | Oct 31, 2015 | Nov 14, 2015 |
| № 2435 | S15 | E03 | 02 | 0020 | Beta | Oct 23, 2015 | Oct 30, 2015 | Nov 13, 2015 |
| № 2434 | S10 | W36 | 06 | 0180 | Beta | Oct 20, 2015 | Oct 27, 2015 | Nov 10, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to October 2015. The gray background is the average SSN index.
