Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3517 | N14 | W03 | 04 | 0010 | Beta | Dec 13, 2023 | Dec 20, 2023 | Jan 2, 2024 |
| № 3516 | S19 | E39 | 03 | 0060 | Alpha | Dec 16, 2023 | Dec 23, 2023 | Jan 6, 2024 |
| № 3515 | S14 | E36 | 01 | 0010 | Alpha | Dec 16, 2023 | Dec 23, 2023 | Jan 5, 2024 |
| № 3514 | N06 | W08 | 01 | 0010 | Beta | Dec 12, 2023 | Dec 19, 2023 | Jan 2, 2024 |
| № 3513 | N19 | W14 | 15 | 0210 | Beta-Gamma | Dec 12, 2023 | Dec 19, 2023 | Jan 2, 2024 |
| № 3511 | S22 | W85 | 03 | 0060 | Beta | Dec 6, 2023 | Dec 13, 2023 | Dec 27, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to December 2023. The gray background is the average SSN index.
