Articles tagged "solar filament"

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Enhanced solar wind environment after glancing blow from a slow-moving CME

Solar wind parameters over the past 24 hours were indicative of enhanced solar wind environment, likely caused by a combination of a glancing blow from a slow-moving Coronal Mass Ejection and influences of a negative polarity CH HSS. Total IMF strength was at 5 to 6...

September 25, 2019

aia 304 at 00 58 utc july 5 2018

Plasma filament eruptions detected on the Sun, Earth-directed CME possible

Two plasma filament eruptions were detected on the Sun on July 5, 2018, and it seems at least one weak Earth-directed Coronal Mass Ejection (CME) was produced; ETA July 9 or 10. In addition, a relatively strong farside eruption took place on July 5 and its CME (not...

July 06, 2018

solar filament eruption december 15 2017

Filament eruption, spotless Sun, Total Solar Irradiance and cosmic radiation

A 13-degree long plasma filament eruption was observed in SDO/AIA 304 imagery starting at 12:29 UTC on December 15, 2017. A glancing blow is expected late December 19, in combination with a recurrent, positive polarity CH HSS. Meanwhile, solar activity is at very...

December 17, 2017


Huge solar filament facing Earth

A huge solar filament is facing Earth today and, if it doesn't erupt, will continue to do so in the coming days. Stretched out, it would be more than 857 780 km or 533 000 miles long, which is more than 67 Earth diameters. Image below shows this filament as seen by

February 10, 2015


Filament eruption creates canyon of fire, Earth directed CME

Solar filament located in the southern hemisphere erupted at approximately 16:54 UTC on August 15, 2014, and launched a partial-halo Coronal Mass Ejection (CME) into space and toward our planet. NSO/GONG and SDO/AIA 193 and 304 imagery observed major portions of a

August 16, 2014


Huge solar filament collapses and causes Hyder flare

A huge solar filament, located in the southeast quadrant and stretching across more than 500 000 km, collapsed around 14:30 UTC on June 4, 2014 and hit the solar surface causing a "Hyder flare" - a type of solar flare that occurs without the aid of sunspots.Co

June 05, 2014


Coronal Hole directly facing Earth, filament eruption

Aside from a nice filament eruption and a Coronal Hole directly facing Earth, thus allowing solar material to freely rush in our direction, solar activity has been at low levels during last 30 hours.It is expected to remain low with a chance for M-cl

May 13, 2014


Weak CME impact and filament channel eruption on the Sun

An interplanetary shock wave hit our planet's geomagnetic field on June 27, 2013 at approximately 14:20 UTC. Geomagnetic Sudden Impulse was registered at 14:40 UTC. The impact was relatively weak and has not caused a geomagnetic storming so far.

June 28, 2013


Prominent view

The Sun is constantly roiling with nuclear heat and intense magnetism that make sunspots, flares, coronal mass ejections, and all sorts of space weather. When directed toward Earth, those solar blasts can disrupt satellite and radio communications, damage our

November 23, 2012


Solar filament eruption sent Earth-directed CME

A Coronal Mass Ejection (CME) was observed on November 9, around 15:24 UTC. It was associated with  filament eruption around sunspot 1608 in the southeast quadrant of the disk. This region is facing  Earth and any  Coronal Mass Ejection (CME) may be geoeffective.

November 10, 2012


Sun produced great solar filament eruption

Solar activity is expected to be low with a slight chance for M-class flares for the next three days, mainly from Region 1569. NOAA/SWPC estimates 20% chances of M-class solar flare. Region 1564 is crackling with C-class flares.The geomagnetic field was mostly quiet

September 14, 2012


Video of August 31 CME traveling through space

Anyone who observes solar activity here and there surely noticed spectacular solar filament on August 31, 2012. We saw amazing images presented to us by solar observatories in space and now SOHO combined all recordings from EUVI, COR1, COR2 and HI1 that give us clear

September 11, 2012


Geomagnetic activity at normal levels while another CME impact expected

NOAA/SWPC reported that the G1 (minor) Geomagnetic Storm has ended with the return of normal solar wind conditions. Currently solar winds blow at speed of 419.1 km/sec. Earthbound proton levels are now below the S1 Minor Radiation Storm threshold and geomagnetic

September 04, 2012

cme forecast

CME shock from solar filament on August 31 hit Earth, geomagnetic storming in progress

Solar filament eruption on August 31 generated at least two potentially Earth directed CME clouds. Earth was hit by first CME shock, observed in the solar wind around 11:20 UTC. The impact induced significant ground currents in northern Scandinavia and

September 04, 2012


Minor to Moderate Geomagnetic Storming possible at high latitudes

The Coronal Mass Ejection was caused by the large filament eruption late on August 31st.  Minor to Moderate Geomagnetic Storming will be possible at high latitudes, especially on September 3rd. Solar Radiation Storm levels have increased above the S1 (Minor)

September 02, 2012


Minor solar radiation storm in progress

High levels of low energetic protons are recorded streaming past Earth causing minor S1 solar radiation storm. Proton event 10MeV Integral Flux exceeded 10 pfu.  Minor impacts on HF radio are possible around polar regions.Elevated solar radiation storm levels are

September 01, 2012


Spectacular filament eruption, waves of ionization and Sun's polar magnetic field shift for end of August

Spectacular solar filament eruption, thousands of kilometers long, occurred at the Sun's southeast quadrant. Solar X-Ray flux chart values reached almost M-class flare threshold. Huge filament collapsed after almost a week of activity and it resulted in a large C8.1

August 31, 2012


Solar filament channel eruption and aurora forecast

A Coronal Mass Ejection (CME) is seen in the latest STEREO Ahead COR2 images on Thursday morning, and the source appears to be a filament channel eruption near region 1419 in the northwest quadrant. After a close look, the expanding cloud appears to be directed mostly

February 23, 2012

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Solar activity increasing - M-class flares, auroras and magnetic filaments

Recently formed sunspot 1401 awoke yesterday afternoon and produced an M1.7 solar flare at 19:12 UTC. AR 1401 has a Beta-Gamma magnetic configuration which could lead to further solar flares. NOAA forecasters estimate a 15% to 20% chance of polar geomagnetic storms

January 19, 2012


CME might deliver a glancing blow to Earth's magnetic field on Jan. 7th

A magnetic filament in the sun's northern hemisphere erupted on Jan. 5th and hurled a CME in the general direction of Earth. At first it appeared that the CME would sail north of Earth and completely miss our planet. However, analysts at the Goddard Space Weather Lab

January 07, 2012


An erupting cloud of plasma eclipsed by a dark magnetic filament

Last night, NASA's Solar Dynamics Observatory (SDO) observed an unusual event on the sun: An erupting cloud of plasma was eclipsed by a dark magnetic filament.The source of the explosion is a farside active region due to turn toward Earth in a few days. For now,

December 09, 2011


Dark filament of magnetism visible on the Sun

It's one of the biggest things in the entire solar system. A dark filament of magnetism measuring more than 800,000 km from end to end is sprawled diagonally across the face of the sun. NASA's Solar Dynamics Observatory took this ultraviolet picture of the structure

November 18, 2011


Pair of M-Class flares and eruption filament

A pair of M-Class flares took place on Tuesday morning. The first one registered M1.2 and was centered around Sunspot 1348 which is located near the northwest limb. The second event at 12:43 UTC peaked at M1.9 and was located around Sunspot 1346 in the southern

November 15, 2011


Huge solar filament and Mercury-directed CME

There haven't been any strong solar flares in days. Nevertheless, some impressive activity is underway on the sun. For one thing, an enormous wall of plasma is towering over the sun's southeastern horizon. Huge solar filament is the biggest in a longer time period. A

November 13, 2011


Eruption of magnetic canopy of sunspot 1190

The magnetic canopy of sunspot 1190 erupted on April 15th, producing an M-class solar flare (SDO movie). The brief blast did not, however, hurl a cloud of plasma toward Earth. NOAA forecasters estimate a 55% chance of more M-flares during the next 24 hours.

April 16, 2011


Filament of magnetism is curling around the sun's southeastern quadrant

Newly-arriving data from NASA's STEREO probes suggest that a coronal mass ejection (CME) might be heading toward Earth. The source of the cloud appears to be sunspot complex 1185-1186, which experienced an episode of magnetic instability during the early hours of April

April 09, 2011


A huge filament of magnetism and hot plasma blasted off the sun's southwestern limb

A huge filament of magnetism and hot plasma blasted off the sun's southwestern limb on March 19th around 1200 UT. The eruption was not Earth-directed, but it did attract plenty of attention on our planet. Many amateur astronomers in Europe witnessed the blast and said

March 20, 2011