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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1206 | N22 | W16 | 03 | 0010 | Beta | May 4, 2011 | May 11, 2011 | May 24, 2011 |
| № 1205 | N14 | E39 | 03 | 0010 | Beta | May 8, 2011 | May 15, 2011 | May 28, 2011 |
| № 1204 | N17 | E28 | 10 | 0130 | Beta | May 7, 2011 | May 14, 2011 | May 28, 2011 |
| № 1203 | N17 | E13 | 01 | 0120 | Alpha | May 6, 2011 | May 13, 2011 | May 26, 2011 |
| № 1200 | S18 | W47 | 10 | 0030 | Beta | May 1, 2011 | May 8, 2011 | May 22, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to May 2011. The gray background is the average SSN index.
