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) | |
|---|---|---|---|---|---|---|---|---|
| № 3423 | N16 | E61 | 06 | 0010 | Beta | Sep 11, 2023 | Sep 17, 2023 | Oct 1, 2023 |
| № 3422 | N13 | E22 | 06 | 0030 | Beta | Sep 8, 2023 | Sep 14, 2023 | Sep 28, 2023 |
| № 3421 | N15 | W00 | 09 | 0020 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 26, 2023 |
| № 3420 | S20 | E02 | 01 | 0020 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3419 | N24 | W65 | 03 | 0010 | Beta | Sep 1, 2023 | Sep 8, 2023 | Sep 22, 2023 |
| № 3418 | N21 | W04 | 01 | 0010 | Alpha | Sep 6, 2023 | Sep 13, 2023 | Sep 26, 2023 |
| № 3417 | S08 | W22 | 04 | 0040 | Beta | 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.
