Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3450 | S19 | E58 | 08 | 0070 | Beta | Oct 4, 2023 | Oct 11, 2023 | Oct 25, 2023 |
| № 3449 | N15 | E16 | 09 | 0090 | Beta | Oct 1, 2023 | Oct 8, 2023 | Oct 22, 2023 |
| № 3448 | N13 | E33 | 02 | 0110 | Alpha | Oct 2, 2023 | Oct 9, 2023 | Oct 23, 2023 |
| № 3447 | S22 | W31 | 07 | 0120 | Beta | Sep 28, 2023 | Oct 5, 2023 | Oct 18, 2023 |
| № 3445 | S14 | W49 | 09 | 0140 | Beta | Sep 26, 2023 | Oct 3, 2023 | Oct 17, 2023 |
| № 3440 | N18 | W58 | 01 | 0020 | Alpha | Sep 26, 2023 | Oct 2, 2023 | Oct 16, 2023 |
| № 3435 | N10 | W77 | 03 | 0090 | Beta | 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.
