Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3534 | S13 | E15 | 12 | 0150 | Beta | Jan 2, 2024 | Jan 9, 2024 | Jan 23, 2024 |
| № 3533 | N14 | W66 | 05 | 0120 | Beta | Dec 27, 2023 | Jan 3, 2024 | Jan 16, 2024 |
| № 3531 | S20 | W66 | 01 | 0200 | Alpha | Dec 27, 2023 | Jan 3, 2024 | Jan 17, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to December 2023. The gray background is the average SSN index.
