Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3840 | N16 | E18 | 01 | 0010 | Alpha | Sep 30, 2024 | Oct 7, 2024 | Oct 21, 2024 |
| № 3839 | S14 | E65 | 07 | 0170 | Beta | Oct 4, 2024 | Oct 11, 2024 | Oct 24, 2024 |
| № 3838 | N15 | E32 | 01 | 0010 | Alpha | Oct 1, 2024 | Oct 8, 2024 | Oct 22, 2024 |
| № 3837 | S11 | W43 | 01 | 0010 | Alpha | Sep 26, 2024 | Oct 2, 2024 | Oct 16, 2024 |
| № 3836 | S12 | E20 | 10 | 0210 | Beta-Gamma | Sep 30, 2024 | Oct 7, 2024 | Oct 21, 2024 |
| № 3835 | S09 | E03 | 05 | 0030 | Beta | Sep 29, 2024 | Oct 6, 2024 | Oct 19, 2024 |
| № 3834 | S15 | W23 | 04 | 0030 | Beta | Sep 27, 2024 | Oct 4, 2024 | Oct 18, 2024 |
| № 3828 | S12 | W72 | 02 | 0030 | Beta | Sep 23, 2024 | Sep 30, 2024 | Oct 14, 2024 |
| № 3827 | S28 | W81 | 01 | 0030 | Alpha | Sep 23, 2024 | Sep 30, 2024 | Oct 14, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1995 to September 2024. The gray background is the average SSN index.
