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) | |
|---|---|---|---|---|---|---|---|---|
| № 3425 | N23 | E45 | 15 | 0140 | Beta-Gamma | Sep 13, 2023 | Sep 20, 2023 | Oct 4, 2023 |
| № 3424 | N16 | E37 | 02 | 0010 | Beta | Sep 13, 2023 | Sep 20, 2023 | Oct 3, 2023 |
| № 3423 | N16 | E12 | 23 | 0280 | Beta | Sep 11, 2023 | Sep 18, 2023 | Oct 1, 2023 |
| № 3421 | N14 | W51 | 17 | 0170 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 26, 2023 |
| № 3418 | N19 | W50 | 05 | 0010 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3417 | S08 | W80 | 01 | 0010 | Alpha | Sep 4, 2023 | Sep 11, 2023 | Sep 24, 2023 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1994, January to 2023, September. Gray background - average solar cycle.
