Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2599 | S12 | E72 | 02 | 0200 | Alpha | Oct 10, 2016 | Oct 17, 2016 | Oct 31, 2016 |
| № 2598 | N13 | E45 | 10 | 0120 | Beta | Oct 8, 2016 | Oct 15, 2016 | Oct 29, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to October 2016. The gray background is the average SSN index.
