Sunspots and active regions — August 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2855 | N13 | E63 | 01 | 0010 | Alpha | Aug 18, 2021 | Aug 24, 2021 | Sep 7, 2021 |
| № 2854 | S21 | W31 | 01 | 0010 | Alpha | Aug 10, 2021 | Aug 17, 2021 | Aug 31, 2021 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1992, January to 2021, August. Gray background - average solar cycle.
