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) | |
|---|---|---|---|---|---|---|---|---|
| № 1748 | N12 | E81 | 04 | 0250 | Beta | May 21, 2013 | May 28, 2013 | Jun 11, 2013 |
| № 1747 | S18 | E35 | 06 | 0040 | Beta | May 18, 2013 | May 25, 2013 | Jun 7, 2013 |
| № 1746 | S28 | E39 | 08 | 0230 | Beta | May 18, 2013 | May 25, 2013 | Jun 8, 2013 |
| № 1745 | N13 | E38 | 11 | 0550 | Beta-Gamma | May 18, 2013 | May 25, 2013 | Jun 7, 2013 |
| № 1744 | N05 | E16 | 11 | 0140 | Beta | May 16, 2013 | May 23, 2013 | Jun 6, 2013 |
| № 1743 | N22 | E01 | 06 | 0120 | Beta | May 15, 2013 | May 22, 2013 | Jun 5, 2013 |
| № 1742 | N30 | W06 | 01 | 0030 | Alpha | May 15, 2013 | May 22, 2013 | Jun 5, 2013 |
| № 1741 | S21 | W29 | 05 | 0010 | Beta | May 13, 2013 | May 20, 2013 | Jun 2, 2013 |
| № 1738 | N20 | W62 | 02 | 0010 | Alpha | May 10, 2013 | May 17, 2013 | May 31, 2013 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1984, January to 2013, May. Gray background - average solar cycle.
