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) | |
|---|---|---|---|---|---|---|---|---|
| № 3446 | N23 | E49 | 02 | 0010 | Alpha | Sep 29, 2023 | Oct 6, 2023 | Oct 19, 2023 |
| № 3445 | S15 | E21 | 24 | 0180 | Beta | Sep 26, 2023 | Oct 3, 2023 | Oct 17, 2023 |
| № 3444 | N24 | E16 | 01 | 0010 | Alpha | Sep 26, 2023 | Oct 3, 2023 | Oct 17, 2023 |
| № 3443 | N28 | W52 | 15 | 0260 | Beta-Delta | Sep 21, 2023 | Sep 28, 2023 | Oct 12, 2023 |
| № 3442 | S09 | E14 | 01 | 0030 | Alpha | Sep 26, 2023 | Oct 3, 2023 | Oct 16, 2023 |
| № 3441 | N07 | W45 | 14 | 0050 | Beta-Gamma | Sep 21, 2023 | Sep 28, 2023 | Oct 12, 2023 |
| № 3440 | N18 | E09 | 01 | 0060 | Alpha | Sep 26, 2023 | Oct 2, 2023 | Oct 16, 2023 |
| № 3439 | S24 | W06 | 02 | 0020 | Alpha | Sep 24, 2023 | Oct 1, 2023 | Oct 15, 2023 |
| № 3438 | N12 | W17 | 05 | 0010 | Beta | Sep 24, 2023 | Sep 30, 2023 | Oct 14, 2023 |
| № 3437 | S19 | W81 | 02 | 0030 | Beta | Sep 19, 2023 | Sep 26, 2023 | Oct 9, 2023 |
| № 3435 | N09 | W08 | 10 | 0270 | Beta | Sep 24, 2023 | Oct 1, 2023 | Oct 15, 2023 |
| № 3433 | N28 | W77 | 01 | 0040 | Alpha | Sep 19, 2023 | Sep 26, 2023 | Oct 10, 2023 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1994, January to 2023, September. Gray background - average solar cycle.

