Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 26, 2023. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 3448 | N14 | E73 | 01 | 0040 | Alpha | Oct 3, 2023 | Oct 9, 2023 | Oct 23, 2023 |
| № 3447 | S23 | E08 | 03 | 0010 | Beta | Sep 28, 2023 | Oct 5, 2023 | Oct 18, 2023 |
| № 3445 | S14 | W09 | 32 | 0220 | Beta-Delta | Sep 26, 2023 | Oct 3, 2023 | Oct 17, 2023 |
| № 3443 | N28 | W81 | 06 | 0240 | Beta-Gamma | Sep 21, 2023 | Sep 28, 2023 | Oct 12, 2023 |
| № 3442 | S09 | W14 | 01 | 0020 | Alpha | Sep 26, 2023 | Oct 3, 2023 | Oct 16, 2023 |
| № 3441 | N06 | W75 | 05 | 0020 | Beta | Sep 21, 2023 | Sep 28, 2023 | Oct 12, 2023 |
| № 3440 | N18 | W19 | 01 | 0070 | Alpha | Sep 26, 2023 | Oct 2, 2023 | Oct 16, 2023 |
| № 3439 | S23 | W35 | 01 | 0010 | Alpha | Sep 24, 2023 | Oct 1, 2023 | Oct 15, 2023 |
| № 3438 | N12 | W46 | 02 | 0010 | Alpha | Sep 24, 2023 | Sep 30, 2023 | Oct 14, 2023 |
| № 3435 | N10 | W37 | 12 | 0300 | Beta-Gamma-Delta | Sep 24, 2023 | Oct 1, 2023 | Oct 15, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to September 2023. The gray background is the average SSN index.
