Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3643 | S10 | E64 | 08 | 0100 | Beta | Apr 22, 2024 | Apr 29, 2024 | May 12, 2024 |
| № 3642 | N18 | W10 | 05 | 0010 | Beta | Apr 16, 2024 | Apr 23, 2024 | May 7, 2024 |
| № 3641 | N11 | W00 | 19 | 0090 | Beta | Apr 17, 2024 | Apr 24, 2024 | May 7, 2024 |
| № 3639 | N30 | E49 | 14 | 0240 | Beta-Gamma | Apr 21, 2024 | Apr 28, 2024 | May 12, 2024 |
| № 3638 | S17 | E45 | 04 | 0080 | Beta | Apr 20, 2024 | Apr 27, 2024 | May 11, 2024 |
| № 3637 | S12 | E40 | 02 | 0010 | Beta | Apr 20, 2024 | Apr 27, 2024 | May 10, 2024 |
| № 3636 | S18 | E21 | 03 | 0090 | Beta | Apr 19, 2024 | Apr 25, 2024 | May 9, 2024 |
| № 3635 | N22 | W13 | 03 | 0010 | Beta | Apr 16, 2024 | Apr 23, 2024 | May 7, 2024 |
| № 3634 | N25 | W41 | 23 | 0300 | Beta | Apr 14, 2024 | Apr 21, 2024 | May 5, 2024 |
| № 3633 | S10 | W50 | 01 | 0080 | Alpha | Apr 13, 2024 | Apr 20, 2024 | May 4, 2024 |
| № 3628 | N05 | W90 | 01 | 0060 | Alpha | Apr 10, 2024 | Apr 17, 2024 | Apr 30, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1995 to April 2024. The gray background is the average SSN index.
