Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1237 | S14 | E66 | 01 | 0000 | Alpha | Jun 24, 2011 | Jul 1, 2011 | Jul 14, 2011 |
| № 1236 | N17 | E33 | 17 | 0260 | Beta-Gamma | Jun 22, 2011 | Jun 28, 2011 | Jul 12, 2011 |
| № 1234 | S16 | W48 | 17 | 0100 | Beta | Jun 15, 2011 | Jun 22, 2011 | Jul 6, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to June 2011. The gray background is the average SSN index.
