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Submitted on 2016-07-19Forecasters seemed to be heading for yet another boring spaceweather week, when -during the afternoon hours of 14 July- a new sunspot region gradually developed about 70.000 km east of NOAA 2565's main spot. In solar terms, that's like shaking hands with your neighbours! The new "sunspot family" was numbered NOAA 2567, and both groups reached a surface area of nearly twice the surface area of the Earth by the end of the period.
Submitted on 2016-07-12Every year, the STCE publishes a news item with an overview of the most memorable solar and space weather highlights. These include spectacular solar flares, impressive filament eruptions, huge coronal holes, and much more. Each time, a movie is compiled with several clips of each event. As it also makes reference to the associated effects such as strong geomagnetic storms, aurora sightings, extremes in solar wind parameters, and number of strong flares, the news item provides at the same time a brief status of the ongoing solar cycle.
Submitted on 2016-07-06Once again, solar observers were treated on a blemishless golden orb, with the preliminary sunspot number being "0" from 25 June onwards. While the earth-facing solar hemisphere had apparently already left for the summer holidays, the Sun's backside still showed some signs of life, displaying a few active regions.
Submitted on 2016-06-29No C-class or stronger flares, and several spotless days: Last week will not be remembered for its high solar activity. Fortunately, some spotless active regions were rounding the east solar limb
Submitted on 2016-06-21Early May, one small and one large coronal hole transited the solar disk's centre. As expected, the associated high speed streams arrived at Earth just a few days later.
Submitted on 2016-06-17
The 2016 edition of the STCE annual meeting led us along Roof Top Science, Cosmic Rays, 10years STCE Happy Birthday cake and a launch to Wuthering Heights - check the pictures.
Submitted on 2016-06-17
At ESWW13 we try to make the perfect cocktail of people and knowledge that makes us Space Weather proof and strengtens our safety net. Cheers!
Submitted on 2016-06-10The already very low solar activity of the last few months ended into a downright traumatic experience for the solar observers when, starting on 3 June, the Sun became totally devoid of its so familiar speckles. Indeed, from 3 till 7 June, no sunspots were observed, and the daily estimated sunspot number was at comatose levels (flat "0") for 5 consecutive days. The gif underneath shows SDO/HMI imagery of the solar disk from 1 till 8 June.
Submitted on 2016-06-02
A trip along Roof top science, cosmic rays and Wuthering Heights.
Submitted on 2016-05-30Solar flaring activity was once again restricted to a handful of minor C-class flares this week. A few regions drew away all attention: Departing NOAA 2546, emerging NOAA 2548, and ...
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