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) | |
|---|---|---|---|---|---|---|---|---|
| № 1689 | S19 | E54 | 03 | 0010 | Beta | Mar 11, 2013 | Mar 18, 2013 | Apr 1, 2013 |
| № 1688 | S15 | E24 | 03 | 0030 | Beta | Mar 9, 2013 | Mar 16, 2013 | Mar 29, 2013 |
| № 1687 | N10 | E46 | 04 | 0010 | Beta | Mar 10, 2013 | Mar 17, 2013 | Mar 31, 2013 |
| № 1686 | S14 | W59 | 11 | 0100 | Beta-Gamma | Mar 3, 2013 | Mar 9, 2013 | Mar 23, 2013 |
| № 1685 | S14 | E16 | 02 | 0010 | Beta | Mar 8, 2013 | Mar 15, 2013 | Mar 29, 2013 |
| № 1683 | S15 | E01 | 11 | 0080 | Beta | Mar 7, 2013 | Mar 14, 2013 | Mar 28, 2013 |
| № 1682 | S18 | W94 | 02 | 0060 | Beta | Feb 28, 2013 | Mar 7, 2013 | Mar 20, 2013 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1984, January to 2013, March. Gray background - average solar cycle.
