Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3531 | S20 | E68 | 01 | 0060 | Alpha | Dec 27, 2023 | Jan 3, 2024 | Jan 17, 2024 |
| № 3530 | N08 | E49 | 04 | 0180 | Beta-Gamma | Dec 26, 2023 | Jan 1, 2024 | Jan 15, 2024 |
| № 3529 | S19 | E27 | 06 | 0450 | Beta-Delta | Dec 24, 2023 | Dec 31, 2023 | Jan 14, 2024 |
| № 3528 | N09 | W14 | 09 | 0140 | Beta | Dec 21, 2023 | Dec 28, 2023 | Jan 10, 2024 |
| № 3527 | S01 | W83 | 02 | 0025 | Beta | Dec 16, 2023 | Dec 23, 2023 | Jan 5, 2024 |
| № 3526 | N15 | E30 | 06 | 0200 | Beta | Dec 24, 2023 | Dec 31, 2023 | Jan 14, 2024 |
| № 3523 | N25 | E10 | 02 | 0010 | Beta | Dec 23, 2023 | Dec 30, 2023 | Jan 13, 2024 |
| № 3521 | N11 | E03 | 04 | 0080 | Beta | Dec 22, 2023 | Dec 29, 2023 | Jan 12, 2024 |
| № 3519 | S11 | W58 | 09 | 0140 | Beta | Dec 18, 2023 | Dec 24, 2023 | Jan 7, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to December 2023. The gray background is the average SSN index.
