Sunspots and active regions — September 23, 2020
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| 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
Average monthly sunspot number (SSN) from 1991, January to 2020, September. Gray background - average solar cycle.
