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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 9, 2011. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1209 | N35 | E10 | 05 | 0010 | Beta | May 11, 2011 | May 18, 2011 | Jun 1, 2011 |
| № 1208 | N13 | E51 | 06 | 0030 | Beta | May 14, 2011 | May 21, 2011 | Jun 3, 2011 |
| № 1204 | N17 | W39 | 09 | 0090 | Beta | May 7, 2011 | May 14, 2011 | May 27, 2011 |
| № 1203 | N18 | W53 | 01 | 0100 | Alpha | May 6, 2011 | May 13, 2011 | May 26, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to May 2011. The gray background is the average SSN index.
