Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3834 | S14 | E67 | 02 | 0110 | Beta | Sep 27, 2024 | Oct 4, 2024 | Oct 17, 2024 |
| № 3833 | N21 | W00 | 03 | 0010 | Beta | Sep 22, 2024 | Sep 29, 2024 | Oct 13, 2024 |
| № 3832 | N13 | W43 | 03 | 0020 | Beta | Sep 19, 2024 | Sep 25, 2024 | Oct 9, 2024 |
| № 3831 | N12 | W07 | 07 | 0080 | Beta | Sep 21, 2024 | Sep 28, 2024 | Oct 12, 2024 |
| № 3828 | S12 | E21 | 16 | 0150 | Beta-Gamma | Sep 23, 2024 | Sep 30, 2024 | Oct 14, 2024 |
| № 3827 | S26 | E09 | 04 | 0120 | Beta | Sep 23, 2024 | Sep 30, 2024 | Oct 14, 2024 |
| № 3825 | S16 | W31 | 08 | 0110 | Beta-Gamma | Sep 19, 2024 | Sep 26, 2024 | Oct 10, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1995 to September 2024. The gray background is the average SSN index.