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Quiet space weather, Coronal hole

sobota, czerwiec 16 2018 - 09:46 UTC

Quiet space weather, Coronal hole

The beginning of June has been very quiet when it comes to space weather. While we did reach minor G1 geomagnetic storm conditions back on the very first day of this month, no other space weather events have occurred which are worth mentioning. The solar wind conditions at Earth have been very underwhelming for a while now and the Sun has also been very quiet as we are starting to reach solar minimum conditions. That said, our automated coronal hole detection system spotted an opening in the corona yesterday. A southern extension of the northern hemisphere polar coronal hole was facing our planet today.

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Coronal hole faces Earth, G1 watch issued

wtorek, maj 29 2018 - 19:06 UTC

Coronal hole faces Earth, G1 watch issued

Sunspot region 2712 didn't manage to develop further since we wrote about it yesterday and has been pretty quiet today with only a couple of B-class solar flares. However, sunspot region 2712 is not the center of our attention today. Indeed, a coronal hole takes the spotlight today. A southern hemisphere coronal hole close to the solar equator is facing our planet today and sending an enhanced solar wind stream towards our planet.

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Sunspot region 2712

poniedziałek, maj 28 2018 - 17:51 UTC

Sunspot region 2712

Summer is upon us in the northern hemisphere and that means very little aurora sightings. The fact that we are in a very quiet space weather period doesn't help either of course but after a long and cold winter these warm rays of sunshine are very much welcome. Right? Or are you starting to experience aurora withdrawal symptoms? Either way, something has been drawing our attention today and that is the Sun's X-ray output as measured by GOES-15. Indeed: we are talking about solar flares.

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''A shadow of its former self''

poniedziałek, maj 14 2018 - 18:10 UTC

''A shadow of its former self''

A lot of aurora enthusiasts have put 17 May in their agenda as a possible date for some enhanced geomagnetic activity and thus auroral displays. Why? Because that is the date that a coronal hole solar wind stream is expected to arrive at Earth from a coronal hole that managed to give us moderate G2 geomagnetic storm conditions back in April.

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Coronal hole faces Earth

czwartek, maj 3 2018 - 16:04 UTC

Coronal hole faces Earth

We've been in a very quiet space weather period for a while now but we have finally something interesting to report about! A transequatorial coronal hole is facing our planet today and sending a high speed solar wind stream towards us!

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Moderate G2 geomagnetic storm

piątek, kwiecień 20 2018 - 13:04 UTC

Moderate G2 geomagnetic storm

The anticipated coronal hole solar wind stream has arrived at our planet and packed quite a punch. Active geomagnetic conditions (Kp4) were expected but the solar wind conditions were so impressive it was enough for us to reach the moderate G2 geomagnetic storm threshold which equals a Kp of 6 and some impressive auroral displays around the globe.

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Coronal hole faces Earth

wtorek, kwiecień 17 2018 - 13:57 UTC

Coronal hole faces Earth

Solar activity has been pretty boring lately with no solar flares or sunspot regions really worth mentioning. A tiny region with a reverse magnetic polarity did appear a few days ago which likely belonged to the next solar cycle but it faded away pretty quickly. It is normal for sunspot regions from two solar cycles to overlap around solar minimum but it does show we are closing in on true solar minimum. This combined with the fact that we are hardly seeing any sunspots or flaring activity at the moment means this solar cycle might be a shorter than average cycle.

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Coronal hole faces Earth

piątek, kwiecień 6 2018 - 19:07 UTC

Coronal hole faces Earth

A familiar coronal hole has returned! It is a thin east-west aligned northern hemisphere coronal hole close to the solar equator that is facing our planet today.

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New front page!

czwartek, kwiecień 5 2018 - 15:40 UTC

New front page!

After literally months of planning, brain storming, coding, translating and fighting over the tiniest details, we are very proud to present to you a brand new front page for SpaceWeatherLive.com and our Dutch website Poollicht.be!

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Coronal hole faces Earth

poniedziałek, marzec 26 2018 - 13:17 UTC

Coronal hole faces Earth

A southern extension of the northern hemisphere polar coronal faces Earth today. 

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Aktualne dane sugerują, że nie jest możliwa obserwacja zorzy polarnej na średnich szerokościach geograficznych
Kierunek interplanetarnego pola magnetycznego jest lekko Południowy (-5,1nT).

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Fakty na temat pogody kosmicznej

Ostatnie rozbłyski klasy X:2017/09/10X8.2
Ostatnie rozbłyski klasy M:2017/10/20M1.0
Ostatnia burza geomagnetyczna:2018/06/18Kp5 (G1)
Ilość dni bez skazy w 2018 roku:85
Aktualny napinane bez skazy dni:2

Ten dzień w przeszłości*

Rozbłyski słoneczne
12001X1.2
22001M5.6
32000M3.0
42013M2.9
52000M2.6
ApG
1201572G4
2200550G3
3200027G1
4201318
5201118
*od 1994

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