Sunspots and active regions — April 04, 2026
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 4411 | S05 | E48 | 02 | 0010 | Alpha | Apr 8, 2026 | Apr 15, 2026 | Apr 29, 2026 |
| № 4409 | N02 | E01 | 16 | 0140 | Beta-Gamma | Apr 5, 2026 | Apr 12, 2026 | Apr 25, 2026 |
| № 4408 | N08 | W00 | 01 | 0070 | Alpha | Apr 5, 2026 | Apr 12, 2026 | Apr 25, 2026 |
| № 4406 | N07 | W27 | 01 | 0060 | Alpha | Apr 3, 2026 | Apr 10, 2026 | Apr 23, 2026 |
| № 4405 | S27 | W18 | 12 | 0180 | Beta | Apr 3, 2026 | Apr 10, 2026 | Apr 24, 2026 |
| № 4404 | N13 | W32 | 03 | 0040 | Beta | Apr 2, 2026 | Apr 9, 2026 | Apr 23, 2026 |
| № 4403 | N15 | W51 | 02 | 0050 | Beta | Apr 1, 2026 | Apr 8, 2026 | Apr 21, 2026 |
| № 4399 | S16 | W90 | 01 | 0050 | Alpha | Mar 29, 2026 | Apr 5, 2026 | Apr 19, 2026 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1997, January to 2026, April. Gray background - average solar cycle.
