Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3530 | N09 | E63 | 04 | 0050 | Beta | Dec 26, 2023 | Jan 2, 2024 | Jan 15, 2024 |
| № 3529 | S19 | E42 | 08 | 0250 | Beta-Gamma | Dec 24, 2023 | Dec 31, 2023 | Jan 14, 2024 |
| № 3528 | N08 | E01 | 10 | 0110 | Beta | Dec 21, 2023 | Dec 28, 2023 | Jan 10, 2024 |
| № 3527 | S01 | W69 | 02 | 0025 | Beta | Dec 16, 2023 | Dec 23, 2023 | Jan 5, 2024 |
| № 3526 | N15 | E44 | 05 | 0190 | Beta | Dec 24, 2023 | Dec 31, 2023 | Jan 14, 2024 |
| № 3525 | S05 | E03 | 01 | 0005 | Alpha | Dec 21, 2023 | Dec 28, 2023 | Jan 11, 2024 |
| № 3524 | N26 | E22 | 01 | 0005 | Alpha | Dec 23, 2023 | Dec 30, 2023 | Jan 13, 2024 |
| № 3523 | N25 | E24 | 01 | 0005 | Alpha | Dec 23, 2023 | Dec 30, 2023 | Jan 13, 2024 |
| № 3521 | N12 | E19 | 03 | 0020 | Beta | Dec 22, 2023 | Dec 29, 2023 | Jan 12, 2024 |
| № 3519 | S10 | W42 | 09 | 0090 | Beta | Dec 18, 2023 | Dec 25, 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.
