Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3628 | N07 | E69 | 01 | 0090 | Alpha | Apr 10, 2024 | Apr 17, 2024 | Apr 30, 2024 |
| № 3627 | N10 | E46 | 01 | 0005 | Alpha | Apr 8, 2024 | Apr 15, 2024 | Apr 29, 2024 |
| № 3626 | N13 | W60 | 02 | 0001 | Beta | Mar 31, 2024 | Apr 7, 2024 | Apr 21, 2024 |
| № 3624 | N15 | W02 | 01 | 0005 | Alpha | Apr 5, 2024 | Apr 12, 2024 | Apr 25, 2024 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1995 to April 2024. The gray background is the average SSN index.