Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3657 | S11 | E31 | 02 | 0010 | Beta | Apr 26, 2024 | May 3, 2024 | May 17, 2024 |
| № 3656 | S12 | E60 | 02 | 0010 | Beta | Apr 29, 2024 | May 5, 2024 | May 19, 2024 |
| № 3655 | S28 | E50 | 06 | 0030 | Beta | Apr 28, 2024 | May 5, 2024 | May 19, 2024 |
| № 3654 | S09 | E45 | 02 | 0020 | Beta | Apr 27, 2024 | May 4, 2024 | May 18, 2024 |
| № 3653 | N02 | E45 | 01 | 0010 | Alpha | Apr 27, 2024 | May 4, 2024 | May 18, 2024 |
| № 3652 | N15 | E17 | 06 | 0120 | Beta | Apr 25, 2024 | May 2, 2024 | May 16, 2024 |
| № 3650 | S10 | W23 | 08 | 0100 | Beta | Apr 22, 2024 | Apr 29, 2024 | May 13, 2024 |
| № 3649 | N15 | W68 | 03 | 0020 | Beta | Apr 19, 2024 | Apr 26, 2024 | May 9, 2024 |
| № 3647 | S13 | W44 | 17 | 0200 | Beta-Gamma | Apr 21, 2024 | Apr 27, 2024 | May 11, 2024 |
| № 3646 | N21 | W01 | 14 | 0100 | Beta | Apr 24, 2024 | May 1, 2024 | May 15, 2024 |
| № 3645 | S09 | W50 | 18 | 0260 | Beta-Gamma | Apr 20, 2024 | Apr 27, 2024 | May 11, 2024 |
| № 3644 | N14 | W04 | 03 | 0150 | Beta | Apr 24, 2024 | May 1, 2024 | May 14, 2024 |
| № 3643 | S13 | W32 | 07 | 0020 | Beta | Apr 22, 2024 | Apr 28, 2024 | May 12, 2024 |
| № 3639 | N28 | W44 | 12 | 0200 | Beta-Gamma | Apr 21, 2024 | Apr 28, 2024 | May 12, 2024 |
| № 3638 | S18 | W51 | 09 | 0010 | Beta | Apr 20, 2024 | Apr 27, 2024 | May 11, 2024 |
| № 3637 | S13 | W55 | 02 | 0010 | Beta | Apr 20, 2024 | Apr 27, 2024 | May 10, 2024 |
| № 3636 | S21 | W70 | 01 | 0010 | Alpha | Apr 19, 2024 | Apr 26, 2024 | May 9, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1995 to April 2024. The gray background is the average SSN index.
