Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1228 | N17 | E67 | 01 | 0120 | Alpha | Jun 5, 2011 | Jun 12, 2011 | Jun 26, 2011 |
| № 1227 | S19 | E69 | 03 | 0080 | Beta | Jun 5, 2011 | Jun 12, 2011 | Jun 26, 2011 |
| № 1226 | S21 | E54 | 12 | 0360 | Beta-Delta | Jun 4, 2011 | Jun 11, 2011 | Jun 25, 2011 |
| № 1225 | N17 | E30 | 01 | 0040 | Alpha | Jun 2, 2011 | Jun 9, 2011 | Jun 23, 2011 |
| № 1224 | N20 | W41 | 10 | 0130 | Beta-Delta | May 28, 2011 | Jun 4, 2011 | Jun 18, 2011 |
| № 1223 | S17 | W22 | 01 | 0020 | Alpha | May 29, 2011 | Jun 5, 2011 | Jun 19, 2011 |
| № 1222 | N16 | W80 | 02 | 0000 | Alpha | May 25, 2011 | Jun 1, 2011 | Jun 14, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to May 2011. The gray background is the average SSN index.
