Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3508 | S15 | E55 | 01 | 0040 | Alpha | Dec 6, 2023 | Dec 13, 2023 | Dec 27, 2023 |
| № 3507 | N08 | E57 | 01 | 0070 | Alpha | Dec 6, 2023 | Dec 13, 2023 | Dec 26, 2023 |
| № 3505 | S18 | E43 | 01 | 0020 | Alpha | Dec 5, 2023 | Dec 12, 2023 | Dec 26, 2023 |
| № 3503 | N21 | W04 | 01 | 0000 | Alpha | Dec 2, 2023 | Dec 8, 2023 | Dec 22, 2023 |
| № 3502 | N15 | W66 | 04 | 0050 | Beta | Nov 27, 2023 | Dec 4, 2023 | Dec 17, 2023 |
| № 3501 | S09 | W19 | 01 | 0040 | Alpha | Nov 30, 2023 | Dec 7, 2023 | Dec 21, 2023 |
| № 3500 | S18 | W28 | 24 | 0300 | Beta-Gamma | Nov 30, 2023 | Dec 7, 2023 | Dec 20, 2023 |
| № 3494 | S17 | W54 | 01 | 0030 | Alpha | Nov 28, 2023 | Dec 5, 2023 | Dec 18, 2023 |
| № 3493 | S13 | W59 | 01 | 0010 | Alpha | Nov 27, 2023 | Dec 4, 2023 | Dec 18, 2023 |
| № 3492 | N20 | W73 | 03 | 0060 | Beta | Nov 26, 2023 | Dec 3, 2023 | Dec 17, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to December 2023. The gray background is the average SSN index.
