Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2773 | N28 | E76 | 03 | 0010 | Beta | Sep 30, 2020 | Oct 7, 2020 | Oct 21, 2020 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1991 to September 2020. The gray background is the average SSN index.
