Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 28, 2026. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4381 | N08 | E77 | 02 | 0150 | Alpha | Mar 7, 2026 | Mar 14, 2026 | Mar 27, 2026 |
| № 4380 | S20 | E60 | 04 | 0110 | Beta-Gamma | Mar 6, 2026 | Mar 12, 2026 | Mar 26, 2026 |
| № 4379 | S17 | E50 | 03 | 0010 | Beta | Mar 5, 2026 | Mar 12, 2026 | Mar 25, 2026 |
| № 4378 | N17 | E51 | 04 | 0250 | Beta | Mar 5, 2026 | Mar 12, 2026 | Mar 25, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to February 2026. The gray background is the average SSN index.
Diary
- 27.08.2026 Today is the ninth full moon of 2026.
- 26.08.2026 Magnetic storms are expected on Earth on Friday
- 25.08.2026 A solar flare ejected a cloud of plasma toward Earth.