No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1752 | N18 | W38 | 07 | 0020 | Beta | May 16, 2013 | May 23, 2013 | Jun 6, 2013 |
| № 1751 | S23 | E01 | 02 | 0000 | Alpha | May 19, 2013 | May 26, 2013 | Jun 9, 2013 |
| № 1750 | S09 | W39 | 09 | 0050 | Beta | May 16, 2013 | May 23, 2013 | Jun 5, 2013 |
| № 1749 | S22 | W64 | 04 | 0030 | Beta | May 14, 2013 | May 21, 2013 | Jun 4, 2013 |
| № 1748 | N12 | E25 | 24 | 0220 | Beta-Gamma-Delta | May 21, 2013 | May 28, 2013 | Jun 10, 2013 |
| № 1747 | S17 | W15 | 10 | 0080 | Beta | May 18, 2013 | May 25, 2013 | Jun 7, 2013 |
| № 1746 | S27 | W12 | 07 | 0160 | Beta | May 18, 2013 | May 25, 2013 | Jun 8, 2013 |
| № 1745 | N13 | W13 | 10 | 0300 | Beta | May 18, 2013 | May 25, 2013 | Jun 7, 2013 |
| № 1744 | N06 | W38 | 23 | 0100 | Beta-Gamma | May 16, 2013 | May 23, 2013 | Jun 5, 2013 |
| № 1743 | N22 | W51 | 02 | 0030 | Beta | May 15, 2013 | May 22, 2013 | Jun 5, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to May 2013. The gray background is the average SSN index.
