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) | |
|---|---|---|---|---|---|---|---|---|
| № 2640 | N11 | E24 | 02 | 0010 | Beta | Mar 2, 2017 | Mar 9, 2017 | Mar 22, 2017 |
| № 2639 | S08 | W61 | 02 | 0010 | Beta | Feb 23, 2017 | Mar 2, 2017 | Mar 16, 2017 |
| № 2638 | N18 | W16 | 01 | 0100 | Alpha | Feb 27, 2017 | Mar 6, 2017 | Mar 19, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, February. Gray background - average solar cycle.
