Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 18, 2012. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1509 | S17 | W57 | 04 | 0008 | Beta | Jun 15, 2012 | Jun 21, 2012 | Jul 5, 2012 |
| № 1508 | S29 | W55 | 05 | 0060 | Alpha | Jun 15, 2012 | Jun 22, 2012 | Jul 6, 2012 |
| № 1507 | S27 | W63 | 10 | 0130 | Beta | Jun 14, 2012 | Jun 21, 2012 | Jul 5, 2012 |
| № 1506 | N11 | W29 | 02 | 0010 | Alpha | Jun 17, 2012 | Jun 24, 2012 | Jul 7, 2012 |
| № 1505 | S11 | W40 | 05 | 0030 | Beta | Jun 16, 2012 | Jun 23, 2012 | Jul 6, 2012 |
| № 1504 | S17 | W38 | 10 | 0740 | Beta | Jun 16, 2012 | Jun 23, 2012 | Jul 7, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to June 2012. The gray background is the average SSN index.
