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) | |
|---|---|---|---|---|---|---|---|---|
| № 3424 | N16 | E76 | 02 | 0010 | Beta | Sep 13, 2023 | Sep 19, 2023 | Oct 3, 2023 |
| № 3423 | N16 | E48 | 08 | 0090 | Beta | Sep 10, 2023 | Sep 17, 2023 | Oct 1, 2023 |
| № 3422 | N13 | E09 | 05 | 0030 | Beta | Sep 8, 2023 | Sep 14, 2023 | Sep 28, 2023 |
| № 3421 | N14 | W12 | 15 | 0140 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 26, 2023 |
| № 3420 | S19 | W10 | 03 | 0010 | Alpha | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3419 | N24 | W78 | 03 | 0010 | Beta | Sep 1, 2023 | Sep 8, 2023 | Sep 22, 2023 |
| № 3418 | N21 | W16 | 01 | 0005 | Alpha | Sep 6, 2023 | Sep 13, 2023 | Sep 26, 2023 |
| № 3417 | S06 | W32 | 04 | 0030 | 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.

