Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1748 | N11 | E63 | 05 | 0310 | Beta-Gamma-Delta | May 21, 2013 | May 28, 2013 | Jun 10, 2013 |
| № 1747 | S18 | E22 | 08 | 0080 | Beta | May 18, 2013 | May 25, 2013 | Jun 7, 2013 |
| № 1746 | S28 | E28 | 07 | 0200 | Beta | May 18, 2013 | May 25, 2013 | Jun 8, 2013 |
| № 1745 | N13 | E24 | 18 | 0430 | Beta-Gamma | May 18, 2013 | May 25, 2013 | Jun 7, 2013 |
| № 1744 | N05 | W00 | 11 | 0090 | Beta | May 16, 2013 | May 23, 2013 | Jun 5, 2013 |
| № 1743 | N22 | W12 | 07 | 0070 | Beta | May 15, 2013 | May 22, 2013 | Jun 5, 2013 |
| № 1742 | N29 | W19 | 01 | 0010 | Alpha | May 15, 2013 | May 22, 2013 | Jun 5, 2013 |
| № 1741 | S21 | W43 | 05 | 0010 | Beta | May 13, 2013 | May 20, 2013 | Jun 2, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to May 2013. The gray background is the average SSN index.
