Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 18, 2024. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3558 | S11 | W81 | 03 | 0050 | Beta | Jan 13, 2024 | Jan 20, 2024 | Feb 2, 2024 |
| № 3556 | N17 | E52 | 01 | 0080 | Alpha | Jan 23, 2024 | Jan 30, 2024 | Feb 13, 2024 |
| № 3555 | S10 | E45 | 04 | 0180 | Beta-Gamma | Jan 22, 2024 | Jan 29, 2024 | Feb 12, 2024 |
| № 3554 | N07 | E24 | 01 | 0040 | Alpha | Jan 21, 2024 | Jan 28, 2024 | Feb 10, 2024 |
| № 3553 | N09 | E17 | 35 | 0090 | Beta | Jan 20, 2024 | Jan 27, 2024 | Feb 10, 2024 |
| № 3552 | S24 | W81 | 02 | 0100 | Beta | Jan 13, 2024 | Jan 20, 2024 | Feb 3, 2024 |
| № 3551 | N28 | W12 | 02 | 0030 | Alpha | Jan 18, 2024 | Jan 25, 2024 | Feb 8, 2024 |
| № 3549 | S22 | W01 | 05 | 0180 | Beta | Jan 19, 2024 | Jan 26, 2024 | Feb 9, 2024 |
| № 3548 | N15 | W24 | 03 | 0010 | Beta | Jan 17, 2024 | Jan 24, 2024 | Feb 7, 2024 |
| № 3545 | S07 | W39 | 02 | 0120 | Beta | Jan 16, 2024 | Jan 23, 2024 | Feb 5, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1995 to January 2024. The gray background is the average SSN index.
