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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1751 | S23 | E24 | 03 | 0010 | Beta | May 19, 2013 | May 26, 2013 | Jun 9, 2013 |
| № 1750 | S11 | W12 | 03 | 0010 | Beta | May 16, 2013 | May 23, 2013 | Jun 5, 2013 |
| № 1749 | S23 | W39 | 06 | 0010 | Beta | May 14, 2013 | May 21, 2013 | Jun 4, 2013 |
| № 1748 | N11 | E52 | 09 | 0260 | Beta-Gamma-Delta | May 21, 2013 | May 28, 2013 | Jun 10, 2013 |
| № 1747 | S18 | E10 | 11 | 0090 | Beta | May 18, 2013 | May 25, 2013 | Jun 7, 2013 |
| № 1746 | S27 | E15 | 08 | 0250 | Beta | May 18, 2013 | May 25, 2013 | Jun 8, 2013 |
| № 1745 | N13 | E13 | 28 | 0390 | Beta-Gamma | May 18, 2013 | May 25, 2013 | Jun 7, 2013 |
| № 1744 | N05 | W11 | 23 | 0070 | Beta | May 16, 2013 | May 23, 2013 | Jun 5, 2013 |
| № 1743 | N21 | W27 | 05 | 0090 | 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.
