Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 28, 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 | S12 | E57 | 04 | 0020 | Beta | Jan 3, 2024 | Jan 9, 2024 | Jan 23, 2024 |
| № 3533 | N15 | W25 | 01 | 0010 | Alpha | Dec 27, 2023 | Jan 3, 2024 | Jan 17, 2024 |
| № 3531 | S19 | W25 | 02 | 0150 | Beta | Dec 27, 2023 | Jan 3, 2024 | Jan 17, 2024 |
| № 3530 | N07 | W49 | 06 | 0050 | Beta | Dec 26, 2023 | Jan 1, 2024 | Jan 15, 2024 |
| № 3529 | S20 | W65 | 04 | 0270 | Beta | Dec 24, 2023 | Dec 31, 2023 | Jan 14, 2024 |
| № 3521 | N11 | W93 | 01 | 0020 | Alpha | Dec 22, 2023 | Dec 29, 2023 | Jan 12, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to December 2023. The gray background is the average SSN index.
