Solar Activity Report: November 17-23, 2025 Solar activity remained at low levels throughout the reporting period, predominantly within the B-class flare range. Four high-intensity C-class flares and several weaker C-class events were observed, with the largest—a C9.9—occurring on November 19 from a region just beyond the northeast limb. No Earth-directed CMEs were detected during this interval. The latest helioseismic far-side map indicates the presence of two active regions, both with a high p
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Solar Activity Report: November 17-23, 2025 Solar activity remained a…
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Solar Activity Report: December 22-28, 2025 Solar activity was low at the start of the week, with X‑ray flux generally confined to the low C‑class range aside from a few higher C‑class events. Activity increased markedly on December 27, highlighted by an M5.1 flare from active region 14325 at the east limb and a C9.9 flare from active region 14318 near the disk center. M‑class activity continued into December 28, when active region 14325 produced an impulsive M1.3 flare and active region 14317 g
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Solar Activity Report: December 22-28, 2025 Solar activity was low at t…
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Solar Activity Report: January 26 - February 1, 2026 Solar activity over the past week ranged from low to very high levels. The week began with relatively low activity, highlighted by two strong C-class flares on January 26: a C8.8 flare from active region 14355 and a C5.0 flare from active region 14351. Activity then tapered off, with only a few minor C-class flares observed through January 30. On January 31, activity intensified again as active region 14366 produced multiple high-level C-class
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Solar Activity Report: January 26 - February 1, 2026 Solar activity ove…
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Solar Activity Report: September 22-28, 2025 Solar activity fluctuated between low and moderate levels throughout the week. The week began quietly, marked by low C-class flares. Activity then intensified, reaching moderate levels with several high C-class and M-class flares. By midweek, conditions briefly returned to low levels before rising again the following day and remaining moderate through the weekend. In total, 59 C-class and 8 M-class flares were recorded, with the most intense event—a p
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Solar Activity Report: September 22-28, 2025 Solar activity fluctuated b…
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Solar Activity Report: February 2-8, 2026 Solar activity over the past week fluctuated significantly, ranging from very high to low levels. The week began with a powerful X2.8 flare that had started late in the previous week but concluded during the reporting period. In total, four X-class flares and numerous M-class flares were observed. Active Region 14366 was the most prolific, producing four X-class, 38 M-class, and 31 C-class flares. The X-class events included: • an X2.8 and X1.6 on Februa
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Solar Activity Report: February 2-8, 2026 Solar activity over the past w…
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Solar Activity Report: October 13-19, 2025 Solar activity persisted at moderate levels throughout the week, with M-class flares occurring daily. Active Region 14246 was the dominant source, contributing 25 of the 28 M-class flares recorded during the reporting period. The most intense event was an M4.8 flare on October 15. Notably, even after crossing the west limb on October 18, the region continued to produce M-class activity, including M1.0 and M1.8 flares on October 19. There were numerous C
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Solar Activity Report: October 13-19, 2025 Solar activity persisted at mo…
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Solar Activity Report: October 20-26, 2025 ☀️ Solar activity declined from moderate to low levels over the past week. Only one M-class flare (M1.1) occurred early in the week. There were several C-class flares from multiple active regions throughout the week. Notably, Region 14262 produced two long-duration C-class flares (C4.7 and C2.7) on October 22. The most intense activity originated from the far hemisphere, where Region 14246 generated two coronal mass ejections (CMEs) on October 21. This
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Solar Activity Report: October 20-26, 2025 ☀️ Solar activity declined fr…
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Solar Activity Report: October 27 - November 2, 2025 ☀️ Solar activi…
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