Sunspots and active regions — March 31, 2017
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) | |
|---|---|---|---|---|---|---|---|---|
| № 2645 | S10 | E18 | 10 | 0260 | Beta | Apr 2, 2017 | Apr 9, 2017 | Apr 23, 2017 |
| № 2644 | N12 | W21 | 03 | 0190 | Beta | Mar 30, 2017 | Apr 6, 2017 | Apr 20, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, March. Gray background - average solar cycle.
