Sunspots and active regions — February 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2802 | N19 | W12 | 02 | 0015 | Beta | Feb 17, 2021 | Feb 24, 2021 | Mar 10, 2021 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1992, January to 2021, February. Gray background - average solar cycle.
