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) | |
|---|---|---|---|---|---|---|---|---|
| № 1710 | S22 | E49 | 05 | 0040 | Beta | Apr 4, 2013 | Apr 11, 2013 | Apr 25, 2013 |
| № 1709 | S33 | W21 | 04 | 0010 | Beta | Mar 29, 2013 | Apr 5, 2013 | Apr 20, 2013 |
| № 1708 | N11 | E58 | 04 | 0090 | Beta | Apr 4, 2013 | Apr 11, 2013 | Apr 25, 2013 |
| № 1707 | S11 | E18 | 07 | 0050 | Beta | Apr 1, 2013 | Apr 8, 2013 | Apr 22, 2013 |
| № 1704 | N15 | W08 | 03 | 0090 | Beta | Mar 30, 2013 | Apr 6, 2013 | Apr 20, 2013 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1984, January to 2013, March. Gray background - average solar cycle.
