No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1563 | S25 | E73 | 01 | 0010 | Alpha | Sep 7, 2012 | Sep 13, 2012 | Sep 27, 2012 |
| № 1562 | S16 | E58 | 01 | 0010 | Alpha | Sep 5, 2012 | Sep 12, 2012 | Sep 26, 2012 |
| № 1561 | S12 | E17 | 03 | 0020 | Beta | Sep 2, 2012 | Sep 9, 2012 | Sep 23, 2012 |
| № 1560 | N03 | E24 | 08 | 0050 | Beta | Sep 3, 2012 | Sep 9, 2012 | Sep 23, 2012 |
| № 1559 | N17 | E39 | 02 | 0010 | Alpha | Sep 4, 2012 | Sep 11, 2012 | Sep 24, 2012 |
| № 1555 | N08 | E03 | 11 | 0030 | Beta | Sep 1, 2012 | Sep 8, 2012 | Sep 21, 2012 |
| № 1554 | N16 | W63 | 05 | 0090 | Beta | Aug 27, 2012 | Sep 3, 2012 | Sep 17, 2012 |
| № 1553 | S21 | W28 | 07 | 0150 | Beta | Aug 30, 2012 | Sep 6, 2012 | Sep 19, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to August 2012. The gray background is the average SSN index.