Some stunning solar eruptions
A compilation of some amazing solar eruptions that have been observed during the first half of September.
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A new kid on the X-class block
NOAA 3825 produced its 2nd X-class flare in as many days. The X4.5 flare peaked on 14 September at 15:29UTC. ***UPDATED (1)***
80 years ago, our solar observers marked the liberation of Brussels
80 years ago, the Allies liberated Brussels, and this event did not go unnoticed by our solar observers!
Call for Guest Investigators
Once more, the solar physics team of the Royal Observatory of Belgium invites external researchers to join in the data exploitation of its space telescopes on the PROBA2 microsatellite (SWAP, LYRA) and on Solar Orbiter (EUI).
First solar observations with SPADE
In the past couple of weeks, the radio-astronomy team has worked relentlessly on a new setup and calibration procedure for the SPADE instrument.
NOAA 3784 joins the club!
NOAA 3784 joined the club of X-class flare producing regions by unleashing an X1.1 on 14 August.
Another X-class flare
NOAA 3777 produced an X1.3 flare on 8 August. The associated CME has an earth-directed component. ***UPDATED (3)***
Solar hemispheric asymmetry
Driven by solar activity in especially the southern solar hemisphere, sunspot numbers reached their highest monthly values since December 2001.
The double X-class flare
An X1.7 flare was produced on 5 August at 13:40UTC. It was followed by an X1.1 flare at 15:27UTC produced by a different active region. ***UPDATED***
X1 flare
An M9.9 flare and an X1.5 flare were observed from the same active region NOAA 3766 on resp. 28 and 29 July.