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Coronal hole faces Earth, Sunspot region 2797

maandag 18 januari 2021 - 14:03 UTC

Coronal hole faces Earth, Sunspot region 2797

The northern hemisphere polar coronal hole which has an extension southwards has been facing Earth the past few days. A solar wind stream flowing from this coronal hole is expected to influence our planet in the coming three days. Geomagnetic conditions up to a maximum of Kp4 (active geomagnetic conditions) are possible starting today up till Wednesday (20 January). Solar wind speeds of well over 500km/s were observed last month when this same coronal hole faced our planet.

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Solar wind shock wave arrived at Earth

maandag 11 januari 2021 - 19:21 UTC

Solar wind shock wave arrived at Earth

A slow shock wave arrived today around 08:25 UTC at DSCOVR. The source is unclear but it could have come from a filament eruption back on 6 January or one that took place on 8 January. The resulting coronal mass ejections were not expected to arrive at Earth but one of these two eruptions likely grazed our planet today.

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C4.0 solar flare

maandag 14 december 2020 - 19:09 UTC

C4.0 solar flare

Our Sun surprised us today! After a period of higher solar activity we are currently in a period with fewer sunspots and strong solar flares seemed very unlikely today. However, our Sun woke up this afternoon and produced a C4.0 solar flare peaked today at 14:37 UTC. A C4 solar flare doesn't sound so spectacular but there are two reasons why this solar flare deserves your attention.

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Coronal mass ejection arrival

donderdag 10 december 2020 - 07:21 UTC

Coronal mass ejection arrival

The anticipated coronal mass ejection from a C7.4 solar flare that took place three days ago arrived at the Sun-Earth L1 point around 01:30 UTC this night. This is very close to the predicted impact time. An automated alert was send out by our systems and was posted on Twitter and distributed to many mobile devices as a push notification on the SpaceWeatherLive Android/iOS app.

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Earth-directed coronal mass ejection

dinsdag 08 december 2020 - 08:56 UTC

Earth-directed coronal mass ejection

What a surprise event we got yesterday! Sunspot region 2790 which decayed over the past few days and seemingly only has a simple magnetic layout, delivered with a long duration C7.4 solar flare. As mentioned in the news article yesterday, this solar flare was eruptive and it quickly became apparent that it launched a coronal mass ejection which is likely to hit Earth.

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C7.4 solar flare

maandag 07 december 2020 - 19:45 UTC

C7.4 solar flare

Solar activity has been fairly boring during the past few days but a surprise solar flare woke us up. A long duration C7.41 solar flare peaked today at 16:32 UTC. Sunspot region 2790 is to blame and that is a sunspot region facing Earth! Long duration solar flares are known to produce coronal mass ejections so the question is... was this an eruptive event?

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C1 solar flare and CME, glancing blow possible

dinsdag 01 december 2020 - 19:11 UTC

C1 solar flare and CME, glancing blow possible

A C1.2 solar flare took place today at 07:21 UTC and came from a sunspot region on the Sun's northern hemisphere. Sunspot region 2787 was to blame. While the solar flare wasn't that strong, it was eruptive and that's what counts! Associated with the solar flare were a coronal wave and coronal dimming.

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M4.44 solar flare

zondag 29 november 2020 - 17:49 UTC

M4.44 solar flare

Solar activity reached moderate levels today as an M4.44 solar flare (R1-minor) peaked at 13:11 UTC. The solar flare took place at S23E98 as seen from Earth which means the event originated 8 degrees behind the south-east limb. We can conclude that the X-ray flux likely reached more than M4.4. This is the second M-class solar flare of the current solar cycle and the strongest solar flare of this cycle thus far.

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SpaceWeatherLive store launched!

vrijdag 27 november 2020 - 18:06 UTC

SpaceWeatherLive store launched!

Big news about SpaceWeatherLive today! We are very proud to launch a Teespring store where you can get all kinds of space weather related merchandise designed by us! Phone covers, t-shirts, hoodies, mugs, bags and a face mask... we got it all!

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Sunspot region 2785 and 2786

maandag 23 november 2020 - 16:08 UTC

Sunspot region 2785 and 2786

Two new sunspot regions have rotated into view on the south-east limb. These sunspot regions have received sunspot number 2785 and 2786. These sunspot regions were the source of a couple of far side eruptions over the past week and they looked very active while on the far side.

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