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) | |
|---|---|---|---|---|---|---|---|---|
| № 2628 | N12 | E07 | 08 | 0220 | Beta | Jan 26, 2017 | Feb 1, 2017 | Feb 15, 2017 |
| № 2627 | N06 | W12 | 13 | 0070 | Beta | Jan 24, 2017 | Jan 31, 2017 | Feb 13, 2017 |
| № 2626 | N08 | W63 | 02 | 0030 | Alpha | Jan 20, 2017 | Jan 27, 2017 | Feb 10, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, January. Gray background - average solar cycle.
