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) | |
|---|---|---|---|---|---|---|---|---|
| № 3426 | S16 | E15 | 02 | 0010 | Beta | Sep 10, 2023 | Sep 17, 2023 | Oct 1, 2023 |
| № 3425 | N23 | E56 | 08 | 0060 | Beta | Sep 13, 2023 | Sep 20, 2023 | Oct 4, 2023 |
| № 3424 | N17 | E48 | 03 | 0030 | Beta | Sep 13, 2023 | Sep 20, 2023 | Oct 3, 2023 |
| № 3423 | N17 | E22 | 15 | 0240 | Beta | Sep 11, 2023 | Sep 18, 2023 | Oct 1, 2023 |
| № 3422 | N14 | W19 | 01 | 0005 | Alpha | Sep 8, 2023 | Sep 14, 2023 | Sep 28, 2023 |
| № 3421 | N15 | W39 | 23 | 0220 | Beta-Gamma | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3418 | N20 | W39 | 02 | 0010 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3417 | S07 | W64 | 01 | 0010 | Alpha | Sep 4, 2023 | Sep 11, 2023 | Sep 25, 2023 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1994, January to 2023, September. Gray background - average solar cycle.
