Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 13, 2016. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2591 | N05 | W11 | 03 | 0010 | Beta | Sep 13, 2016 | Sep 20, 2016 | Oct 3, 2016 |
| № 2590 | N08 | W62 | 01 | 0010 | Alpha | Sep 9, 2016 | Sep 16, 2016 | Sep 30, 2016 |
| № 2589 | N15 | W42 | 06 | 0050 | Beta | Sep 11, 2016 | Sep 18, 2016 | Oct 1, 2016 |
| № 2585 | N08 | W92 | 07 | 0220 | Beta | Sep 7, 2016 | Sep 14, 2016 | Sep 27, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to September 2016. The gray background is the average SSN index.