Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2595 | N11 | W55 | 05 | 0010 | Beta | Sep 17, 2016 | Sep 23, 2016 | Oct 7, 2016 |
| № 2594 | N12 | W01 | 01 | 0010 | Alpha | Sep 21, 2016 | Sep 28, 2016 | Oct 11, 2016 |
| № 2593 | N09 | W02 | 08 | 0060 | Beta | Sep 21, 2016 | Sep 27, 2016 | Oct 11, 2016 |
| № 2592 | N12 | E16 | 02 | 0020 | Beta | Sep 22, 2016 | Sep 29, 2016 | Oct 12, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to September 2016. The gray background is the average SSN index.
