Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3829 | N11 | W61 | 05 | 0050 | Beta | Sep 15, 2024 | Sep 21, 2024 | Oct 5, 2024 |
| № 3828 | S13 | E59 | 01 | 0120 | Alpha | Sep 24, 2024 | Sep 30, 2024 | Oct 14, 2024 |
| № 3827 | S27 | E49 | 01 | 0120 | Alpha | Sep 23, 2024 | Sep 30, 2024 | Oct 14, 2024 |
| № 3826 | S26 | W60 | 01 | 0010 | Alpha | Sep 14, 2024 | Sep 21, 2024 | Oct 5, 2024 |
| № 3825 | S15 | E04 | 35 | 0180 | Beta-Gamma | Sep 19, 2024 | Sep 26, 2024 | Oct 10, 2024 |
| № 3824 | S04 | W56 | 25 | 0100 | Beta-Gamma | Sep 15, 2024 | Sep 22, 2024 | Oct 5, 2024 |
| № 3822 | N14 | W87 | 02 | 0010 | Beta | Sep 13, 2024 | Sep 19, 2024 | Oct 3, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1995 to September 2024. The gray background is the average SSN index.
