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) | |
|---|---|---|---|---|---|---|---|---|
| № 2626 | N07 | E03 | 03 | 0060 | Alpha | Jan 20, 2017 | Jan 27, 2017 | Feb 10, 2017 |
| № 2625 | N00 | W07 | 02 | 0040 | Beta | Jan 19, 2017 | Jan 26, 2017 | Feb 9, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, January. Gray background - average solar cycle.

