Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1223 | S15 | E17 | 06 | 0050 | Beta | May 29, 2011 | Jun 5, 2011 | Jun 19, 2011 |
| № 1222 | N16 | W34 | 03 | 0010 | Alpha | May 25, 2011 | Jun 1, 2011 | Jun 15, 2011 |
| № 1216 | S15 | W61 | 01 | 0070 | Alpha | May 23, 2011 | May 30, 2011 | Jun 13, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to May 2011. The gray background is the average SSN index.
