Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2863 | S16 | E30 | 07 | 0070 | Beta | Sep 6, 2021 | Sep 13, 2021 | Sep 27, 2021 |
| № 2860 | S29 | W75 | 06 | 0220 | Beta | Aug 29, 2021 | Sep 5, 2021 | Sep 19, 2021 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to September 2021. The gray background is the average SSN index.
