Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 3425 | N23 | E71 | 07 | 0040 | Beta | Sep 13, 2023 | Sep 20, 2023 | Oct 4, 2023 |
| № 3424 | N17 | E62 | 02 | 0040 | Beta | Sep 13, 2023 | Sep 19, 2023 | Oct 3, 2023 |
| № 3423 | N16 | E37 | 14 | 0245 | Beta | Sep 11, 2023 | Sep 18, 2023 | Oct 1, 2023 |
| № 3422 | N14 | W04 | 04 | 0020 | Alpha | Sep 8, 2023 | Sep 14, 2023 | Sep 28, 2023 |
| № 3421 | N14 | W25 | 19 | 0220 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 26, 2023 |
| № 3420 | S22 | W24 | 03 | 0010 | Alpha | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3418 | N21 | W31 | 01 | 0010 | Alpha | Sep 6, 2023 | Sep 12, 2023 | Sep 26, 2023 |
| № 3417 | S07 | W50 | 01 | 0040 | Alpha | Sep 4, 2023 | Sep 11, 2023 | Sep 24, 2023 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1994, January to 2023, September. Gray background - average solar cycle.
