Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 10, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1211 | S12 | W21 | 02 | 0010 | Beta | May 9, 2011 | May 16, 2011 | May 30, 2011 |
| № 1210 | N20 | E10 | 13 | 0030 | Beta | May 12, 2011 | May 19, 2011 | Jun 1, 2011 |
| № 1209 | N35 | W03 | 05 | 0010 | Beta | May 11, 2011 | May 18, 2011 | Jun 1, 2011 |
| № 1208 | N12 | E38 | 09 | 0100 | Beta | May 14, 2011 | May 21, 2011 | Jun 3, 2011 |
| № 1204 | N17 | W55 | 03 | 0100 | Beta | May 7, 2011 | May 14, 2011 | May 27, 2011 |
| № 1203 | N18 | W66 | 01 | 0120 | 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.
