Sunspots and active regions — August 19, 2021
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) | |
|---|---|---|---|---|---|---|---|---|
| № 2858 | N12 | E02 | 06 | 0020 | Beta | Aug 20, 2021 | Aug 27, 2021 | Sep 9, 2021 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1992, January to 2021, August. Gray background - average solar cycle.
