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) | |
|---|---|---|---|---|---|---|---|---|
| № 3434 | N08 | W00 | 03 | 0020 | Alpha | Sep 17, 2023 | Sep 24, 2023 | Oct 7, 2023 |
| № 3433 | N28 | E29 | 01 | 0090 | Alpha | Sep 19, 2023 | Sep 26, 2023 | Oct 10, 2023 |
| № 3430 | S18 | W59 | 05 | 0030 | Beta | Sep 12, 2023 | Sep 19, 2023 | Oct 3, 2023 |
| № 3429 | N11 | W08 | 13 | 0090 | Beta-Gamma-Delta | Sep 16, 2023 | Sep 23, 2023 | Oct 7, 2023 |
| № 3425 | N23 | W52 | 08 | 0040 | Beta | Sep 13, 2023 | Sep 20, 2023 | Oct 4, 2023 |
| № 3423 | N16 | W83 | 06 | 0220 | Beta | Sep 11, 2023 | Sep 17, 2023 | Oct 1, 2023 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1994, January to 2023, September. Gray background - average solar cycle.

