Sunspots and active regions
No active regions with sunspot groups were observed on the Sun on November 11, 2017.
Solar cycle progression
The average monthly sunspot number (SSN) from January 1988 to November 2017. 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.