Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 17, 2020. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2776 | S14 | E42 | 04 | 0060 | Beta | Oct 21, 2020 | Oct 28, 2020 | Nov 10, 2020 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1991 to October 2020. The gray background is the average SSN index.
