Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3828 | S13 | E75 | 01 | 0120 | Alpha | Sep 24, 2024 | Sep 30, 2024 | Oct 14, 2024 |
| № 3827 | S28 | E65 | 01 | 0120 | Alpha | Sep 23, 2024 | Sep 30, 2024 | Oct 14, 2024 |
| № 3826 | S26 | W44 | 02 | 0010 | Beta | Sep 15, 2024 | Sep 22, 2024 | Oct 6, 2024 |
| № 3825 | S16 | E20 | 13 | 0180 | Beta-Gamma | Sep 20, 2024 | Sep 26, 2024 | Oct 10, 2024 |
| № 3824 | S04 | W40 | 13 | 0070 | Beta-Gamma | Sep 15, 2024 | Sep 22, 2024 | Oct 5, 2024 |
| № 3822 | N15 | W71 | 01 | 0030 | Beta | Sep 13, 2024 | Sep 19, 2024 | Oct 3, 2024 |
| № 3814 | N17 | W84 | 02 | 0130 | Alpha | Sep 12, 2024 | Sep 18, 2024 | Oct 2, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1995 to September 2024. The gray background is the average SSN index.
