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) | |
|---|---|---|---|---|---|---|---|---|
| № 2638 | N18 | E58 | 04 | 0080 | Beta | Feb 26, 2017 | Mar 5, 2017 | Mar 19, 2017 |
| № 2637 | S04 | E47 | 01 | 0010 | Alpha | Feb 26, 2017 | Mar 4, 2017 | Mar 18, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, February. Gray background - average solar cycle.
