Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 20, 2024. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3831 | N12 | E03 | 10 | 0100 | Beta | Sep 21, 2024 | Sep 28, 2024 | Oct 12, 2024 |
| № 3829 | N12 | W87 | 02 | 0010 | Beta | Sep 14, 2024 | Sep 21, 2024 | Oct 5, 2024 |
| № 3828 | S13 | E33 | 11 | 0150 | Beta-Gamma-Delta | Sep 23, 2024 | Sep 30, 2024 | Oct 14, 2024 |
| № 3827 | S27 | E19 | 03 | 0110 | Beta | Sep 22, 2024 | Sep 29, 2024 | Oct 14, 2024 |
| № 3825 | S16 | W21 | 13 | 0130 | Beta-Gamma-Delta | Sep 19, 2024 | Sep 26, 2024 | Oct 10, 2024 |
| № 3824 | S04 | W83 | 10 | 0080 | Beta | Sep 15, 2024 | Sep 22, 2024 | Oct 5, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1995 to September 2024. The gray background is the average SSN index.