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) | |
|---|---|---|---|---|---|---|---|---|
| № 2280 | S09 | E55 | 06 | 0020 | Beta | Feb 8, 2015 | Feb 15, 2015 | Mar 1, 2015 |
| № 2279 | S19 | W58 | 06 | 0030 | Beta | Jan 31, 2015 | Feb 6, 2015 | Feb 20, 2015 |
| № 2277 | N08 | E06 | 40 | 0400 | Beta | Feb 4, 2015 | Feb 11, 2015 | Feb 25, 2015 |
| № 2272 | N13 | W36 | 03 | 0010 | Alpha | Feb 1, 2015 | Feb 8, 2015 | Feb 22, 2015 |
| № 2268 | S11 | W71 | 12 | 0220 | Beta-Gamma | Jan 30, 2015 | Feb 5, 2015 | Feb 19, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, February. Gray background - average solar cycle.
