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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1741 | S20 | E34 | 01 | 0010 | Alpha | May 12, 2013 | May 19, 2013 | Jun 2, 2013 |
| № 1740 | S21 | E10 | 02 | 0010 | Alpha | May 11, 2013 | May 18, 2013 | May 31, 2013 |
| № 1739 | N12 | E04 | 08 | 0110 | Beta | May 10, 2013 | May 17, 2013 | May 31, 2013 |
| № 1738 | N15 | W06 | 08 | 0070 | Beta | May 9, 2013 | May 16, 2013 | May 30, 2013 |
| № 1736 | S07 | W65 | 08 | 0110 | Beta-Gamma | May 5, 2013 | May 12, 2013 | May 25, 2013 |
| № 1734 | S18 | W49 | 12 | 0350 | Beta | May 6, 2013 | May 13, 2013 | May 27, 2013 |
| № 1732 | S17 | W75 | 03 | 0080 | Beta | May 4, 2013 | May 11, 2013 | May 25, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to May 2013. The gray background is the average SSN index.
