Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 23, 2021. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2805 | S23 | W02 | 03 | 0010 | Beta | Feb 24, 2021 | Mar 3, 2021 | Mar 17, 2021 |
| № 2804 | N18 | W08 | 03 | 0030 | Beta | Feb 23, 2021 | Mar 2, 2021 | Mar 16, 2021 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to February 2021. The gray background is the average SSN index.
