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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1756 | S20 | E56 | 10 | 0100 | Beta | May 27, 2013 | Jun 3, 2013 | Jun 17, 2013 |
| № 1755 | N10 | E64 | 03 | 0120 | Beta | May 28, 2013 | Jun 3, 2013 | Jun 17, 2013 |
| № 1754 | S16 | E40 | 04 | 0020 | Beta | May 26, 2013 | Jun 2, 2013 | Jun 15, 2013 |
| № 1753 | N04 | E49 | 10 | 0060 | Beta | May 27, 2013 | Jun 2, 2013 | Jun 16, 2013 |
| № 1748 | N13 | W28 | 16 | 0120 | Beta-Gamma | May 21, 2013 | May 28, 2013 | Jun 10, 2013 |
| № 1746 | S28 | W62 | 01 | 0130 | Alpha | May 18, 2013 | May 25, 2013 | Jun 8, 2013 |
| № 1745 | N13 | W64 | 05 | 0120 | Beta | May 18, 2013 | May 25, 2013 | Jun 7, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to May 2013. The gray background is the average SSN index.
