Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1203 | N18 | E64 | 02 | 0050 | Beta | May 6, 2011 | May 13, 2011 | May 26, 2011 |
| № 1200 | S17 | E05 | 04 | 0030 | Beta | May 1, 2011 | May 8, 2011 | May 22, 2011 |
| № 1199 | N18 | W62 | 08 | 0180 | Beta | Apr 26, 2011 | May 3, 2011 | May 17, 2011 |
| № 1196 | S30 | W45 | 02 | 0010 | Beta | Apr 27, 2011 | May 5, 2011 | May 19, 2011 |
| № 1195 | S15 | W65 | 04 | 0170 | Beta | Apr 26, 2011 | May 3, 2011 | May 17, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to April 2011. The gray background is the average SSN index.
