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) | |
|---|---|---|---|---|---|---|---|---|
| № 2629 | N15 | E31 | 06 | 0150 | Beta | Jan 30, 2017 | Feb 6, 2017 | Feb 20, 2017 |
| № 2628 | N11 | W34 | 05 | 0120 | Beta | Jan 25, 2017 | Feb 1, 2017 | Feb 15, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, January. Gray background - average solar cycle.
