Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 21, 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 | W52 | 06 | 0050 | Beta | Oct 18, 2016 | Oct 25, 2016 | Nov 7, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to October 2016. The gray background is the average SSN index.
