Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1552 | S18 | E37 | 01 | 0030 | Alpha | Aug 27, 2012 | Sep 3, 2012 | Sep 17, 2012 |
| № 1551 | N12 | W32 | 05 | 0010 | Beta | Aug 22, 2012 | Aug 29, 2012 | Sep 11, 2012 |
| № 1550 | S11 | W98 | 02 | 0010 | Beta | Aug 17, 2012 | Aug 24, 2012 | Sep 6, 2012 |
| № 1548 | N18 | E14 | 06 | 0040 | Beta | Aug 25, 2012 | Sep 1, 2012 | Sep 15, 2012 |
| № 1546 | N16 | W12 | 01 | 0020 | Alpha | Aug 23, 2012 | Aug 30, 2012 | Sep 13, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to August 2012. The gray background is the average SSN index.
