Solar activity - page 9


Spectacular long duration eruption beyond the east limb

Solar activity reached moderate levels during last 24 hours (by 12:30 UTC today) with impulsive M1.1 solar flare (R1 radio blackout) at 18:37 UTC on October 14. This event had an associated Tenflare (1300 sfu), but no other CME related radio signatures. The flare appear

October 15, 2014

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Three M-class solar flares erupted from southwest quadrant

Two M-class solar flares erupted from Region 2182 early Thursday, October 9, 2014. The first event started at 01:30, peaked at 01:41 UTC as M1.3 solar flare and ended at 01:47.The second M-class erupted immediately after the M1.3.It started at 01:54, peaked at 01:58 as

October 09, 2014

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Strong M7.3 solar flare erupted from southwest limb

Departing region 2173 erupted with strong M7.3 solar flare at 19:01 UTC on October 2, 2014. The event started at 18:49 and ended at 19:14 UTC.Due to the location of this region Earth directed Coronal Mass Ejection (CME) is not expected. SWPC forecasters estimate 45% cha

October 02, 2014


Moderately strong M5.1 solar flare erupted

A moderately strong M5.1 solar flared erupted around Sunspots 2172 and 2173 at 02:58 UTC on September 28, 2014. The event was associated with a Type II and Type IV Radio Emissions, along with a 10cm Radio Burst (TenFlare). GOES X-Ray flux and SDO's AIA 094 image

September 28, 2014

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Impulsive solar flare measuring M2.3 erupts

Impulsive solar flare reaching M2.3 at its peak time erupted on September 23, 2014. The event started at 23:03, peaked at 23:16 and ended at 23:28 UTC.The source was Active Region 2172 (beta-gamma) located in the southeast quadrant.The event was associated with 250 sfu

September 24, 2014

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Impulsive M2.1 solar flare erupted off the east limb

A moderately strong solar flare reaching M2.1 at its peak time erupted from a region located off the east limb today. The event started at 15:20, peaked at 15:26 and ended at 15:31 UTC.If CME was generated by this eruption Earth directed component is very unlikely. Howe

September 11, 2014

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Major solar flare measuring X1.6 erupts, sends Earth directed CME

A major solar flare measuring X1.6 at its peak time erupted on September 10, 2014. The source was geoeffective Active Region 2158 located almost at the center of the disk. The event started at 17:21, peaked at 17:45 and ended at 18:20 UTC.Coronal Mass Ejection (CME) was

September 10, 2014

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Long duration M4.5 solar flare erupts from region 2158

Active Region 2158 produced a long duration M4.5 solar flare on September 9, 2014. The event started at 23:12, peaked at 00:29 and ended at 01:31 UTC. A Type II (999 km/s) and IV radio emissions as well as 10cm Radio Burst were associated with the event. Coronal Ma

September 09, 2014

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Moderate M1.1 solar flare erupted from Region 2157

Active Region 2157 unleashed M1.1 solar flare on September 6, 2014. The event started at 16:50, peaked at 17:09 and ended at 17:22 UTC.This region is located in the southeast quadrant and has 'beta-gamma-delta' magnetic configuration (capable of produc

September 06, 2014

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Long duration M2.5 solar flare erupts off the southeast limb

Active region located behind the southeast limb of the Sun produced a long duration M2.5 solar flare on September 3, 2014. The event started at 13:20, peaked at 13:54 and ended 14:23 UTC.If Coronal Mass Ejection was produced by this event it sho

September 03, 2014


Plasma filament erupts, generates Earth-directed CME

A large plasma filament located in the northern hemisphere of the Sun erupted between 13:00 and 16:00 UTC on September 2, 2014, generating what appears to be Earth directed Coronal Mass Ejection (CME)​.Although analysis is still not complete SWPC warned 

September 03, 2014


Major solar flares erupting behind the northeast limb

A major solar flare was detected behind Sun's northeast limb on September 1, 2014. STEREO Behind spacecraft, watching farside of the Sun, captured what is most likely an X-class solar flare starting at 11:05 UTC.This major solar flare was associa

September 02, 2014

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Moderately strong solar flare reaching M3.9 erupted from Region 2146

After M2.0 at 15:11 UTC today Active Region 2146 erupted with another M-class solar flare. This latest event started at 20:06, peaked at 20:21 as M3.9 solar flare and ended at 20:29 UTC.As with previous event the majority of plasma cloud appears to be dir

August 25, 2014

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Moderately strong M2.0 solar flare erupted from Region 2146

Moderately strong M2.0 solar flare erupted on August 25, 2014, from Active Region 2146 (beta). The event started at 14:46, peaked at 15:11 and ended at 15:31 UTC.A Type II (707 km/s), IV and Tenflare (170 sfu) radio emissions were associated with this event. T

August 25, 2014

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Powerful solar flare reaching M5.9 erupted from eastern limb

A powerful solar flare measuring M5.9 at its peak time erupted from eastern limb of the Sun on August 24, 2014, at 12:17 UTC. The event started at 12:00, peaked at 12:17 and ended at 12:25 UTC.The source was new AR 2151 located on the south eastern limb.

August 24, 2014

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Moderate M1.2 solar flare erupts from eastern limb

After impulsive M3.2 solar flare on August 21 emerging Active Region 2149 erupted with another M-class solar flare early on August 22. This latest event started at 06:18, peaked at 06:28 as M1.2 and ended at 06:34 UTC.AR 2149 has 'beta' magnetic configurati

August 22, 2014

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Moderately strong M3.4 solar flare erupted from eastern limb

Moderately strong solar flare reaching M3.4 at its peak time erupted on August 21, 2014. The event started 13:19, peaked at 13:31 and ended at 13:42 UTC. The source was new active region located on the eastern limb. If Coronal Mass Ejection was generated by this ev

August 21, 2014