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) | |
|---|---|---|---|---|---|---|---|---|
| № 3435 | N10 | E70 | 02 | 0090 | Beta | Sep 23, 2023 | Sep 30, 2023 | Oct 14, 2023 |
| № 3434 | N08 | W13 | 02 | 0010 | Alpha | Sep 17, 2023 | Sep 24, 2023 | Oct 7, 2023 |
| № 3433 | N28 | E11 | 01 | 0080 | Alpha | Sep 19, 2023 | Sep 26, 2023 | Oct 10, 2023 |
| № 3430 | S17 | W73 | 01 | 0030 | Alpha | Sep 12, 2023 | Sep 19, 2023 | Oct 3, 2023 |
| № 3429 | N11 | W21 | 16 | 0090 | Beta-Gamma | Sep 16, 2023 | Sep 23, 2023 | Oct 7, 2023 |
| № 3425 | N24 | W64 | 06 | 0030 | Beta | Sep 13, 2023 | Sep 20, 2023 | Oct 4, 2023 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1994, January to 2023, September. Gray background - average solar cycle.

