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) | |
|---|---|---|---|---|---|---|---|---|
| № 2263 | N22 | E50 | 04 | 0030 | Beta | Jan 21, 2015 | Jan 28, 2015 | Feb 11, 2015 |
| № 2261 | S11 | W09 | 01 | 0020 | Alpha | Jan 16, 2015 | Jan 23, 2015 | Feb 6, 2015 |
| № 2260 | N09 | W74 | 04 | 0060 | Beta | Jan 11, 2015 | Jan 18, 2015 | Feb 1, 2015 |
| № 2259 | S16 | W24 | 13 | 0160 | Beta-Delta | Jan 15, 2015 | Jan 22, 2015 | Feb 5, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, January. Gray background - average solar cycle.

