Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 17, 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 | S10 | W63 | 01 | 0010 | Alpha | Jan 13, 2024 | Jan 20, 2024 | Feb 2, 2024 |
| № 3557 | S13 | E76 | 01 | 0010 | Alpha | Jan 24, 2024 | Jan 30, 2024 | Feb 13, 2024 |
| № 3556 | N16 | E64 | 01 | 0070 | Alpha | Jan 23, 2024 | Jan 30, 2024 | Feb 12, 2024 |
| № 3555 | S11 | E58 | 02 | 0080 | Beta | Jan 22, 2024 | Jan 29, 2024 | Feb 12, 2024 |
| № 3554 | N07 | E39 | 01 | 0040 | Alpha | Jan 21, 2024 | Jan 28, 2024 | Feb 10, 2024 |
| № 3553 | N05 | E30 | 05 | 0070 | Beta | Jan 20, 2024 | Jan 27, 2024 | Feb 9, 2024 |
| № 3552 | S24 | W65 | 02 | 0100 | Beta | Jan 13, 2024 | Jan 20, 2024 | Feb 3, 2024 |
| № 3549 | S21 | E12 | 07 | 0180 | Beta | Jan 19, 2024 | Jan 26, 2024 | Feb 8, 2024 |
| № 3548 | N02 | W17 | 01 | 0010 | Alpha | Jan 17, 2024 | Jan 23, 2024 | Feb 6, 2024 |
| № 3545 | S07 | W24 | 02 | 0110 | Alpha | Jan 16, 2024 | Jan 23, 2024 | Feb 5, 2024 |
| № 3541 | S22 | W75 | 03 | 0060 | Beta | Jan 12, 2024 | Jan 19, 2024 | Feb 2, 2024 |
| № 3540 | S20 | W79 | 04 | 0080 | Beta | Jan 12, 2024 | Jan 19, 2024 | Feb 1, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1995 to January 2024. The gray background is the average SSN index.
