Sunspots and active regions
No active regions with sunspot groups were observed on the Sun on November 25, 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
- 29.10.2026 A massive prominence eruption has been recorded on the Sun.
- 29.10.2026 Space weather on October 29, 2026
- 28.10.2026 The Last Sunspot