Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 7, 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 | E67 | 07 | 0040 | Beta | Sep 13, 2023 | Sep 20, 2023 | Oct 4, 2023 |
| № 3424 | N17 | E58 | 02 | 0040 | Beta | Sep 13, 2023 | Sep 19, 2023 | Oct 3, 2023 |
| № 3423 | N16 | E33 | 14 | 0245 | Beta | Sep 11, 2023 | Sep 18, 2023 | Oct 1, 2023 |
| № 3422 | N14 | W08 | 04 | 0020 | Alpha | Sep 8, 2023 | Sep 14, 2023 | Sep 28, 2023 |
| № 3421 | N14 | W29 | 19 | 0220 | Beta | Sep 6, 2023 | Sep 13, 2023 | Sep 26, 2023 |
| № 3420 | S22 | W28 | 03 | 0010 | Alpha | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3418 | N21 | W35 | 01 | 0010 | Alpha | Sep 6, 2023 | Sep 12, 2023 | Sep 26, 2023 |
| № 3417 | S07 | W54 | 01 | 0040 | 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.
