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Coronal mass ejection arrival

星期二, 18 4月 2023 15:34 UTC

Coronal mass ejection arrival

A shock in the solar wind was detected today around 13:20 UTC. This could very well be the arrival of a coronal mass ejection that was launched by a filament eruption on 15 April.

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X1.2 solar flare

星期三, 29 3月 2023 09:09 UTC

X1.2 solar flare

An impulsive solar flare peaking at the X1.2-class (R3-strong) took place today with the solar flare peaking at 02:33 UTC. Sunspot region 3256 (beta-gamma) which is close to the west limb is the source of this eruption. This region is currently located near the south-west solar limb.

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Coronal hole faces Earth, G2 geomagnetic storm watch

星期三, 22 3月 2023 17:18 UTC

Coronal hole faces Earth, G2 geomagnetic storm watch

The NOAA SWPC has issued a moderate G2 geomagnetic storm watch for this Friday (24 March) due to the anticipated arrival of a high speed solar wind stream coming from a southern hemisphere coronal hole.

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G1 watch, far side CME, BROR rocket campaign

星期一, 13 3月 2023 18:44 UTC

G1 watch, far side CME, BROR rocket campaign

Quite the surprise this morning as proton levels at the near Earth environment suddenly started to rise this morning and even crossed the minor S1 solar radiation storm level. This was all the result of a major far side coronal mass ejection which you can see in the animation below which we posted on our Twitter account. Be sure to follow us and like the post! Magnetic field lines from the Parker Spiral managed to send some protons our way causing us to cross the minor S1 solar radiation storm level causing minor disturbances in HF radio communications at high latitudes. While impressive, the plasma cloud is of course aimed away from our planet and no further effects should be expected from it.

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Coronal mass ejection arrival

星期日, 26 2月 2023 19:43 UTC

Coronal mass ejection arrival

A coronal mass ejection has arrived at our planet. This is likely the arrival of the coronal mass ejection that was launched during a filament eruption in combination with an M3 solar flare two days ago.

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M6.3 flare, double CME impact expected

星期日, 26 2月 2023 11:16 UTC

M6.3 flare, double CME impact expected

Sunspot region 3229 does it again this time with an M6.2 solar flare that peaked yesterday at 19:44 UTC. This long duration solar flare was again highly eruptive just like the M3.7 solar flare. A minor S1 solar radiation storm followed as a result of this eruption which has minor impacts on HF radio communications at high latitudes.

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M3.7 solar flare, Earth-directed CME

星期六, 25 2月 2023 10:40 UTC

M3.7 solar flare, Earth-directed CME

A gorgeous filament eruption around sunspot region 3229 yesterday resulted in a M3.7 solar flare (R1-minor) that peaked at 20:30 UTC.

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X2.2 solar flare with earth-directed CME

星期六, 18 2月 2023 12:55 UTC

X2.2 solar flare with earth-directed CME

A major long duration X2.28 solar flare (R3-strong) took place yesterday and reached its peak at 20:17 UTC. This is the strongest solar flare of Solar Cycle 25 thus far and we can thank sunspot region 3229 for that. This sunspot region is currently close to the north-east limb and the solar flare was highly eruptive. Despite the region's location near the limb, we can not rule out a glancing blow from this plasma cloud.

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X1.1 solar flare

星期六, 11 2月 2023 18:59 UTC

X1.1 solar flare

After a fairly quiet start of the month the Sun has really started to pick up the pace again. The past few days we have had numerous M-class solar flares from many different sunspot regions. Some of these launched minor coronal mass ejections but most of the time the flares were too impulsive or the resulting coronal mass ejections just weren't aimed at Earth. 

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An Expansion on Solar Cycle Prediction

星期三, 8 2月 2023 17:58 UTC

An Expansion on Solar Cycle Prediction

Today we have a really special news item for you! We have a guest post made by Christian Harris from Space Weather Trackers. Christian is a friend of the website an has made very well received guest posts before. He has some serious big brain knowledge about everything space weather related. I am sure many of you have heard of him before. He is here to shed some light on the progression of Solar Cycle 25. Please read his article below and gain some fascinating insights on how SC25 is developing. It is well worth the read! If you are interested in Christian's work be sure to follow him on Facebook and follow his Space Weather Trackers Facebook page. Christian, the stage is yours:

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太空天氣大事紀

上一個 X-閃焰28/03/2024X1.1
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上一個 地球磁爆25/03/2024Kp5 (G1)
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歷史上的今天*

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4201625G1
5201220G1
*始於1994

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