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) | |
|---|---|---|---|---|---|---|---|---|
| № 2641 | N15 | E46 | 05 | 0040 | Beta | Mar 4, 2017 | Mar 11, 2017 | Mar 25, 2017 |
| № 2640 | N09 | E11 | 04 | 0020 | Beta | Mar 2, 2017 | Mar 9, 2017 | Mar 22, 2017 |
| № 2638 | N16 | W29 | 01 | 0090 | 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.
