Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 2427 | N18 | W16 | 14 | 0180 | Beta | Oct 3, 2015 | Oct 10, 2015 | Oct 23, 2015 |
| № 2422 | S20 | W82 | 11 | 0480 | Beta-Gamma-Delta | Sep 28, 2015 | Oct 5, 2015 | Oct 18, 2015 |
| № 2420 | N11 | W83 | 03 | 0010 | Beta | Sep 28, 2015 | Oct 4, 2015 | Oct 18, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, October. Gray background - average solar cycle.
