Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1218 | S15 | E56 | 02 | 0010 | Beta | May 25, 2011 | Jun 1, 2011 | Jun 15, 2011 |
| № 1216 | S14 | E29 | 01 | 0110 | Alpha | May 23, 2011 | May 30, 2011 | Jun 13, 2011 |
| № 1214 | S24 | W54 | 03 | 0100 | Beta | May 17, 2011 | May 24, 2011 | Jun 7, 2011 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1982, January to 2011, May. Gray background - average solar cycle.
