Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3418 | N22 | E65 | 01 | 0030 | Alpha | Sep 6, 2023 | Sep 13, 2023 | Sep 27, 2023 |
| № 3417 | S05 | E48 | 07 | 0150 | Beta | Sep 4, 2023 | Sep 11, 2023 | Sep 25, 2023 |
| № 3416 | S18 | E08 | 01 | 0050 | Alpha | Sep 1, 2023 | Sep 8, 2023 | Sep 22, 2023 |
| № 3415 | S09 | W29 | 10 | 0210 | Beta | Aug 30, 2023 | Sep 5, 2023 | Sep 19, 2023 |
| № 3413 | N09 | W46 | 14 | 0230 | Beta | Aug 28, 2023 | Sep 4, 2023 | Sep 18, 2023 |
| № 3412 | N30 | W76 | 01 | 0030 | Alpha | Aug 26, 2023 | Sep 2, 2023 | Sep 16, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to August 2023. The gray background is the average SSN index.
