Solar activity reached moderate levels over the past 24 hours with an M1.8 solar flare from AR 2908 at 11:36 UTC on December 20, 2021. Initial analysis indicated the likelihood of the northern flank arrival of associated CME on December 23. Eight sunspot groups were...
December 21, 2021
A long-duration solar flare measuring M2.0 erupted from AR 2891, currently located on the Sun's northwestern limb. The event started at 15:47, peaked at 17:02 and ended at 17:37 UTC. The location of this region does not favor Earth-directed CMEs. However, a...
November 09, 2021
A long-duration M1.7 solar flare erupted from geoeffective Active Region 2981 at 03:01 UTC on November 2, 2021. The event started at 01:20 and ended at 03:50 UTC. The event was associated with a 10cm Radio Burst (tenflare) peaking at 110 sfu at 02:36 UTC. A 10cm...
November 02, 2021
A moderately strong M1.5 solar flare erupted from AR 2887 at 01:45 UTC on November 1, 2021. The event started at 00:57 and ended at 02:10 UTC. It was associated with a Type II Radio Emission at 01:29 UTC with an estimated velocity of 626 km/s. Type II emissions...
November 01, 2021
A moderately strong solar flare measuring M4.7 at its peak erupted from geoeffective Active Region 2860 at 06:15 UTC on August 28, 2021. The event started at 05:39 and ended at 06:23 UTC. The flare event follows increased solar activity with numerous c-class flares...
August 28, 2021
A moderately strong solar flare measuring M2.7 at its peak erupted from the newly-formed Active Region 2838 on July 3, 2021. The event started at 07:04 UTC, peaked at 07:17, and ended at 07:22. The position of this region does not favor Earth-directed coronal mass...
July 03, 2021
Solar activity has increased from low to moderate levels on Saturday and Sunday, May 22 and 23, 2021, with a series of C- and M-class solar flares produced by Active Region 2824. Multiple CMEs were produced during this period, with several having Earth-directed...
May 24, 2021
A moderately strong solar flare measuring M1.1 at its peak erupted from Active Region 2824 (Alpha) at 17:11 UTC on May 22, 2021. The event started at 17:03 and ended at 17:16 UTC. Its location does not favor Earth-directed CMEs, but there is a possibility that a...
May 22, 2021
A strong solar flare measuring M3.9 at its peak erupted from Active Region 2822 at 19:04 UTC on May 7, 2021. While this is one of the strongest solar flares of the new solar cycle -- SC25, the location of region 2822 does not favor Earth-directed CMEs. This event...
May 08, 2021
A moderately strong solar flare measuring M1.1 at its peak erupted at 23:28 UTC on October 20, 2017 from the vicinity of old Region 2682, numbered 2673 two rotations ago. Radio signatures suggested and coronagraph imagery confirmed, a Coronal Mass Ejection (CME) was...
October 21, 2017
A powerful double solar flare eruption took place beyond the Sun's east limb early October 18, 2017. The responsible region is now rotating into Earth view and will be visible in a couple of days. The eruption was associated with a Type II (estimated velocity 1...
October 18, 2017
A strong solar flare measuring M8.1 at its peak erupted from Active Region 2673 at 07:49 UTC on September 8, 2017. The event started at 07:40 and ended at 07:58 UTC. This is the third M-class solar flare of the day and the 18th since September 4, when the first...
September 08, 2017
An impulsive solar flare measuring M7.3 at its peak time erupted from Region 2673 at 10:15 UTC on September 7, 2017. The event started at 10:11, peaked at 10:15 and ended at 10:18 UTC. It comes a day after two major X-class solar flares erupted from the same region....
September 07, 2017
The coronal mass ejection (CME) produced by the M5.5 solar flare on September 4, 2017 arrived at the DSCOVR spacecraft on September 6 at 23:08 UTC and at Earth 30 minutes later. The impact did not spark a geomagnetic storm, but the potential still exists as the CME...
September 07, 2017
An asymmetric full halo Coronal Mass Ejection (CME) produced by the M5.5 solar flare at 20:33 UTC on September 4, 2017 is traveling toward Earth and is expected to arrive late on September 6. G3 - Strong geomagnetic storm watch is in effect for September 6 and 7....
September 05, 2017
Geoeffective Active Region 2673 produced 7 M-class and at least 8 C-class solar flares on September 4, 2017. The strongest was M5.5 at 20:33 UTC associated with an asymmetric full halo Coronal Mass Ejection (CME). This region has the potential to produce more strong...
September 05, 2017
A large and geoeffective Active Region 2673 (beta-gamma) unleashed a moderately strong M1.2 solar flare at 05:49 UTC on September 4, 2017. The event started at 05:36 and ended at 06:05 UTC. The region increased 10-fold in a single day, suddenly becoming one of the...
September 04, 2017
A moderately strong solar flare measuring M1.1 erupted from new Region 2672 (beta) at 01:52 UTC on August 20, 2017. The event started at 01:36 and ended at 02:03 UTC. Solar activity was at moderate levels on August 20 due to an M1 flare from an emerging region on...
August 20, 2017
Active Region 2665 produced a long-duration solar flare measuring M2.4 at its peak time on July 14, 2017. The event lasted for more than 2 hours; it started at 01:07, peaked at 02:09 and ended at 03:24 UTC. The eruption produced a coronal mass ejection (CME) with an...
July 14, 2017
Big sunspot region 2665 (beta) erupted with an impulsive solar flare measuring M1.3 at its peak time on July 9, 2017. The event started at 03:09, peaked at 03:18 and ended at 03:37 UTC. The last time our star unleashed an M-class solar flare was on July 4, 2017....
July 09, 2017
Solar activity was at moderate levels on July 3, 2017, with 14 B-class and one impulsive M1.3 solar flare observed at 16:15 UTC. The M-class event started at 15:37 and ended at 16:18 UTC. The last time our star unleashed an M-class solar flare was on April 3, 2017....
July 04, 2017
After 8 months without any significant solar flare, the Sun awakened on April 1, 2017, and unleashed 7 M-class solar flares over the next 2 days. The source of all of them was departing Region 2644. The series started with M4.4 on April 1 and was followed by M5.3,...
April 07, 2017
A moderately strong solar flare measuring M5.8 (R2 - Moderate) erupted from Region 2644 at 14:29 UTC on April 3, 2017. The event started at 14:19 and ended at 14:34 UTC. This is the 7th and the strongest M-class solar flare since late April 1, 2017. It is also the...
April 03, 2017
Departing Active Region 2644 erupted with seven M-class solar flares since late April 1, 2017. The series started with M4.4 on April 1 and was followed by M5.3, M2.3, M2.1 and M5.7 on April 2, and M1.2 and M5.8 on April 3. Multiple coronal mass ejections were...
April 02, 2017
An impulsive, moderately strong solar flare measuring M1.0 at its peak erupted at 17:26 UTC on November 29, 2016. The event started at 17:19 and ended at 17:26 UTC. This is the first M-class solar flare since M1.3 on August 7, 2016. With the approach of solar...
November 29, 2016
Three strong solar flares erupted from Active Region 2567 early on July 23, 2016 - M5.0, M7.6, and M5.5. A Coronal Mass Ejection (CME) was produced during the third one, however, this region is not in a position to produce Earth-directed CMEs. The first flare...
July 23, 2016
After more than 3 months without any significant solar flare, our sun produced two consecutive M-class flares early on July 21, 2016. The source was Active Region 2567 ('beta-gamma' / 'beta'), currently moving out of its geoeffective position....
July 21, 2016
An impulsive solar flare measuring M6.7 (R2 - Moderate radio blackout) erupted from Active Region 2529 at 00:29 UTC on April 18, 2016. The event started at 00:14 and ended at 00:39 UTC. This was the first M-class solar flare since M1.1 on February 15, 2016, the...
April 18, 2016
'Beta-Gamma-Delta' classified Active Region 2497 produced an M1.0 solar flare at 19:26 UTC on February 14, 2016. The event started at 19:18 and ended at 19:29 UTC. After M1.0 at 10:47 UTC on February 12 and M1.8 at 15:24 UTC on February 13, this is the third...
February 14, 2016
A moderately strong solar flare measuring M1.8 at its peak time erupted from 'Beta-Gamma-Delta' classified Region 2497 at 15:24 UTC on February 13, 2016. The event started at 15:16 and ended at 15:24 UTC. There were no radio signatures that would suggest a...
February 13, 2016
A long duration solar flare measuring M2.3 at its peak time erupted from departing Region 2473 at 00:11 UTC on January 2, 2016. The event started at 23:10 UTC on January 1 and ended at 01:01 UTC on January 2. A Type II (estimated velocity 1019 km/s) and a Type IV...
January 02, 2016
A long duration solar flare measuring M1.8 at its peak time erupted from central Region 2473 at 12:45 UTC on December 28, 2015. The event started at 11:20 and ended at 14:09 UTC. The flare produced a full halo CME heading directly toward Earth. A type IV radio sweep...
December 28, 2015
A moderately strong solar flare measuring M4.7 at its peak erupted from Region 2473 at 00:40 UTC on December 23, 2015. The event started at 00:23 and ended at 00:52 UTC. A Type II radio sweep with estimated velocity of 1318 km/s as well as a Type IV radio sweep...
December 23, 2015
An active region currently positioned behind the northeast limb erupted with two M-class solar flares by 10:19 UTC on December 21, 2015. The first event started at 00:52, peaked at 01:03 as M2.8 and ended at 01:11 UTC. The second event started at 10:09, peaked at...
December 21, 2015
A strong solar flare measuring M3.9 at its peak erupted from Region 2449 at 13:12 UTC on November 9, 2015. The event started at 12:49 and ended at 13:28 UTC. A bright Coronal Mass Ejection (CME) was produced. The event was associated with a Type II (estimated...
November 09, 2015
A long duration solar flare measuring M3.7 at its peak erupted from geoeffective Region 2443 at 13:52 UTC on November 4, 2015. The event started at 13:31 and ended at 14:13 UTC. Radio signatures suggest a Coronal Mass Ejection (CME) was produced. The event was...
November 04, 2015
A moderately strong solar flare measuring M1.9 erupted from Region 2445 at 03:26 UTC on November 4, 2015. The event started at 03:20, and ended at 03:29 UTC. A Type II Radio Emission with peak velocity of 790 km/s was associated with the event. Type II emissions...
November 04, 2015
After four days of increased solar activity, multiple Coronal Mass Ejections (CMEs) were finally observed as a part of an overarching set of coronal disruptions from the vicinity of Region 2420 and stretching southward towards Region 2422, and towards the western...
October 01, 2015
Solar activity started increasing on September 27 with M1.9 flare from geoeffective Region 2422 and continued on September 28 with several impulsive flares from Region 2422 (M7.6) and 2423 (M3.6).During the early morning hours of September 29th (by 06:43 UTC) those two
September 29, 2015
An impulsive solar flare measuring M7.6 erupted at 14:58 UTC on September 28, 2015 from geoeffective Active Region 2422. The event started at 14:53, and ended at 15:03 UTC. There were no radio signatures that would suggest a Coronal Mass Ejection (CME) was produced duri
September 28, 2015
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Producing content you read on this website takes a lot of time, effort, and hard work. If you value what we do here, please consider becoming a supporter.
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Producing content you read on this website takes a lot of time, effort, and hard work. If you value what we do here, please consider becoming a supporter.