donderdag 22 april 2021 - 17:23 UTC
Sunspot region 2816 produced a long duration C3.9 solar flare which was associated with both Type II and IV radio sweeps. The solar flare peaked at 04:35 UTC and launched a coronal mass ejection into space.
dinsdag 20 april 2021 - 18:26 UTC
Surprise surprise! Sunspot region 2816 produced an M1.1 solar flare which peaked at 23:42 UTC. This is the first M-class solar flare since 29 November and the third M-class solar flare of Solar Cycle 25 thus far. Our Sun decided to wake up as we now all of a sudden have three numbered sunspot regions on the earth-facing solar disk.
woensdag 03 maart 2021 - 11:06 UTC
We're having a couple of very interesting days at the moment with us occasionally reaching geomagnetic storm conditions. Two days ago we managed to reach the moderate G2 geomagnetic storm threshold and earlier this morning we hit the minor G1 geomagnetic storm threshold. All of this geomagnetic activity is the result of a high speed solar wind stream from a coronal hole flowing past our planet.
maandag 22 februari 2021 - 19:10 UTC
We are hopping in the way back time machine today and take you back to... Saturday. Yes... Saturday... Saturday as in two days ago. A filament eruption occurred around 11 UTC on the Sun's southern hemisphere and launched a partial halo coronal mass ejection which could impact our planet.
donderdag 18 februari 2021 - 13:19 UTC
It's that time of the solar cycle again where coronal holes become more apparent at lower latitudes! Less than a week ago we already had a similar coronal hole facing our planet. The solar wind stream from that coronal hole caused active geomagnetic conditions on Tuesday. Right now we have yet another northward extension of the southern hemisphere polar coronal hole facing our planet today.
vrijdag 12 februari 2021 - 13:02 UTC
Are we all ready for Valentine's Day? Got flowers, chocolate or perhaps that new car she's been talking about all year? No? No idea yet what to do with your loved one? How about watching aurora dancing above your heads? Pretty romantic right! That might be possible in a few days if you are a high latitude sky watcher because we have a coronal hole facing our planet today! We are talking about a northern extension of the southern hemisphere coronal hole and the high speed solar wind stream flowing from this coronal hole could arrive at our planet this Sunday, 14 February. Active geomagnetic conditions (Kp4) will be possible when the stream arrives.
zaterdag 06 februari 2021 - 19:06 UTC
We are starting to see some nice geomagnetic activity building up right now as a high speed solar wind stream from a coronal hole is starting to influence our planet. The north-south direction of the IMF (Bz) is mostly southward which will fuel auroral activity at Earth. Active geomagnetic conditions (Kp4) are likely in the hours ahead.
maandag 18 januari 2021 - 14:03 UTC
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.
maandag 11 januari 2021 - 19:21 UTC
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.
maandag 14 december 2020 - 19:09 UTC
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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|Laatste X-klasse uitbarsting||10/09/2017||X8.2|
|Laatste M-klasse uitbarsting||07/05/2021||M3.9|
|Laatste geomagnetische storm||12/05/2021||Kp7 (G3)|
|Afgelopen 365 dagen||149 dagen|
|2021||47 dagen (34%)|
|Laatste zonnevlekkenloze dag||06/05/2021|