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) | |
|---|---|---|---|---|---|---|---|---|
| № 3418 | N22 | E51 | 01 | 0030 | alpha | Sep 5, 2023 | Sep 12, 2023 | Sep 26, 2023 |
| № 3417 | S08 | E36 | 08 | 0120 | beta | Sep 4, 2023 | Sep 10, 2023 | Sep 24, 2023 |
| № 3416 | S19 | W10 | 01 | 0020 | alpha | Aug 31, 2023 | Sep 7, 2023 | Sep 21, 2023 |
| № 3415 | S09 | W43 | 05 | 0200 | beta | Aug 29, 2023 | Sep 4, 2023 | Sep 18, 2023 |
| № 3413 | N09 | W61 | 12 | 0280 | beta | Aug 27, 2023 | Sep 3, 2023 | Sep 17, 2023 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1994, January to 2023, September. Gray background - average solar cycle.

