esmaspäev, 4 mai 2020 - 14:22 UTC
Time flies. Another month has passed and summer along with shorter nights is closing in for us northern hemisphere sky watchers.
teisipäev, 21 aprill 2020 - 14:06 UTC
Some unexpected action yesterday! The minor G1 geomagnetic storm threshold was reached on two occasions yesterday (10:44 UTC and 14:18 UTC) and a coronal hole faced our planet! Where did this mysterious geomagnetic storm come from and what can we expect from the earth-facing coronal hole? Keep on reading to find out.
teisipäev, 31 märts 2020 - 22:30 UTC
Hello everyone and welcome to April. Could this month be a turn around point for us solar watchers? Is Solar Cycle 25 about to start? Understandable questions which we will shed some light on later in this article.
esmaspäev, 2 märts 2020 - 20:39 UTC
Some great news to kick of the new month with! NOAA's Deep Space Climate Observatory (DSCOVR) satellite is fully operational again!
reede, 28 veebruar 2020 - 19:21 UTC
Space weather has been relatively uneventful this week. Our Sun is quiet as we are close to solar minimum. No sunspot regions could be found on the earth-facing solar disk this week. We do see two small bright regions on STEREO Ahead but they look small and inactive. When it comes to auroral activity we do see a slight enhancement in the solar wind data right now but the north-south direction of the IMF (Bz) is mostly northward so enhanced auroral activity is unlikely tonight. However, if you follow us on Twitter or have the SpaceWeatherLive iOS/Android app installed you might have received an alert that we have a coronal hole facing our planet today!
esmaspäev, 10 veebruar 2020 - 18:49 UTC
An American Atlas V rocket has successfully launched the European Solar Orbiter satellite into space during the early hours of 10 February. This unmanned space probe is Europe's newest solar observatory which will start to study our Sun in just under two years from now. Its main mission is set to begin in November of 2021. At closest approach, Solar Orbiter will only be 42 million kilometers away from the Sun. Scientists hope to learn more about the solar wind, the Sun's polar regions, the Sun's magnetic field, solar activity and how it affects Earth. Solar Orbiter is an ESA mission with strong NASA participation.
laupäev, 8 veebruar 2020 - 11:36 UTC
A coronal hole is facing our planet today. It is a slim southern extension of the northern hemisphere polar coronal hole. The effects of this coronal hole could reach Earth on Monday (10 February) as a high speed solar wind stream could sweep past our planet and spark some more high latitude aurora displays.
kolmapäev, 1 jaanuar 2020 - 00:00 UTC
Happy New Year everyone! Congratulations on surviving yet another trip around our Sun!
teisipäev, 10 detsember 2019 - 18:50 UTC
The NOAA/NASA Solar Cycle prediction panel has issued an official statement yesterday with news about the upcoming Solar Cycle 25.
esmaspäev, 9 detsember 2019 - 21:40 UTC
Sharp eyes might have noticed a very abrupt drop on the solar X-rays graph today. What happened to the Sun? It went into cardiac arrest? Nope. Today, December 9, the NOAA SWPC has switched to GOES-16 as the primary satellite for geostationary space weather observations. What does that mean? Keep on reading!
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|Viimane X-loide:||10 /09 /2017||X8.2|
|Viimane M-loide:||20 /10 /2017||M1.0|
|Viimane geomagnetiline torm:||20 /04 /2020||Kp5 (G1)|
|Päikese plekivabade päevade arv 2020 -is:||120|
|Praegused järjestikused päikeseplekkideta päevad:||29|