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) | |
|---|---|---|---|---|---|---|---|---|
| № 3421 | N15 | E14 | 05 | 0020 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3420 | S20 | E16 | 04 | 0030 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3419 | N24 | W51 | 03 | 0010 | Beta | Sep 1, 2023 | Sep 8, 2023 | Sep 22, 2023 |
| № 3418 | N21 | E10 | 01 | 0010 | Alpha | Sep 6, 2023 | Sep 13, 2023 | Sep 26, 2023 |
| № 3417 | S08 | W08 | 04 | 0040 | Beta | Sep 4, 2023 | Sep 11, 2023 | Sep 25, 2023 |
| № 3415 | S09 | W83 | 02 | 0120 | Beta | Aug 30, 2023 | Sep 6, 2023 | Sep 19, 2023 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1994, January to 2023, September. Gray background - average solar cycle.
