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) | |
|---|---|---|---|---|---|---|---|---|
| № 2633 | N14 | W51 | 03 | 0010 | Beta | Jan 31, 2017 | Feb 7, 2017 | Feb 21, 2017 |
| № 2632 | N14 | W36 | 06 | 0060 | Beta | Feb 1, 2017 | Feb 8, 2017 | Feb 22, 2017 |
| № 2629 | N16 | W65 | 01 | 0040 | Alpha | Jan 30, 2017 | Feb 6, 2017 | Feb 20, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, February. Gray background - average solar cycle.
