Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3425 | N23 | E40 | 15 | 0140 | Beta-Gamma | Sep 13, 2023 | Sep 20, 2023 | Oct 4, 2023 |
| № 3424 | N16 | E32 | 02 | 0010 | Beta | Sep 13, 2023 | Sep 20, 2023 | Oct 3, 2023 |
| № 3423 | N16 | E07 | 23 | 0280 | Beta | Sep 11, 2023 | Sep 18, 2023 | Oct 1, 2023 |
| № 3421 | N14 | W56 | 17 | 0170 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 26, 2023 |
| № 3418 | N19 | W55 | 05 | 0010 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3417 | S08 | W85 | 01 | 0010 | Alpha | Sep 4, 2023 | Sep 11, 2023 | Sep 24, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to September 2023. The gray background is the average SSN index.
