Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 11, 2013. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1745 | N11 | E73 | 01 | 0120 | Alpha | May 18, 2013 | May 24, 2013 | Jun 7, 2013 |
| № 1744 | N04 | E56 | 07 | 0030 | Beta | May 16, 2013 | May 23, 2013 | Jun 6, 2013 |
| № 1743 | N24 | E43 | 05 | 0020 | Beta | May 15, 2013 | May 22, 2013 | Jun 5, 2013 |
| № 1742 | N30 | E36 | 06 | 0100 | Beta | May 15, 2013 | May 22, 2013 | Jun 5, 2013 |
| № 1741 | S20 | E05 | 02 | 0010 | Beta | May 12, 2013 | May 19, 2013 | Jun 2, 2013 |
| № 1740 | S21 | W15 | 04 | 0010 | Beta | May 11, 2013 | May 18, 2013 | Jun 1, 2013 |
| № 1739 | N12 | W25 | 05 | 0020 | Beta | May 10, 2013 | May 17, 2013 | May 31, 2013 |
| № 1738 | N17 | W33 | 07 | 0030 | Beta | May 9, 2013 | May 16, 2013 | May 30, 2013 |
| № 1736 | S08 | W85 | 10 | 0240 | Beta-Gamma | May 6, 2013 | May 12, 2013 | May 26, 2013 |
| № 1734 | S18 | W76 | 02 | 0310 | Alpha | May 6, 2013 | May 13, 2013 | May 27, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to May 2013. The gray background is the average SSN index.