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) | |
|---|---|---|---|---|---|---|---|---|
| № 2422 | S20 | E50 | 03 | 0010 | Beta | Sep 28, 2015 | Oct 5, 2015 | Oct 18, 2015 |
| № 2421 | N15 | E33 | 07 | 0010 | Beta | Sep 26, 2015 | Oct 3, 2015 | Oct 17, 2015 |
| № 2420 | N10 | E51 | 13 | 0280 | Beta-Gamma | Sep 28, 2015 | Oct 5, 2015 | Oct 18, 2015 |
| № 2418 | S15 | W48 | 03 | 0170 | Beta | Sep 20, 2015 | Sep 27, 2015 | Oct 11, 2015 |
| № 2415 | S18 | W80 | 03 | 0160 | Beta | Sep 18, 2015 | Sep 25, 2015 | Oct 8, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, September. Gray background - average solar cycle.
