Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2602 | N06 | W10 | 02 | 0030 | Beta | Oct 18, 2016 | Oct 25, 2016 | Nov 7, 2016 |
| № 2600 | N13 | W72 | 01 | 0050 | Alpha | Oct 13, 2016 | Oct 20, 2016 | Nov 3, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to October 2016. The gray background is the average SSN index.