news
Submitted on 2022-02-01
Despite the many cloudy days last month, solar telescopes at the ROB were able to capture a nice filament eruption on 14 January. Also the big sunspot group NOAA 2936 did not escape the instruments' vigilance.
Submitted on 2022-01-25
On 24 and 25 December last year, the Sun happily surprized solar observers with a wonderful Christmas gift in the form of an impressive solar eruption. Solar Orbiter's Full Sun Imager was on the right place to capture this mesmerizing event.
Submitted on 2022-01-18
An active region that produced several C-class flares and even an M-class flare while it was still behind the solar limb, turned out to be a very small sunspot group and did not produce any significant flaring once it became visible on the solar disk.
Submitted on 2022-01-17
Tickets for the 4th Symposium on Space Educational Activities are available at a discounted early-bird price until January 31st! Hurry up and do not miss the opportunity to discuss with outreach experts from all over the world.
Submitted on 2022-01-11
Over the last few months, the Sun has showing us one hemisphere with quite some sunspots, and another with barely any sunspots at all. To plot this changing solar activity, a synoptic map is used.
Submitted on 2022-01-10
STCE colleague Peter De Cat discovered asteroid (315579) and named it after Anne Vandersyppe, our invaluable colleague who worked as group secretary for the Solar Physics Department and sadly passed away in 2019.
Submitted on 2022-01-05
12 years ago today, on 6 January 2010, the doors of the LYRA instrument were opened for the first time. The observation of LYRA's first Lyman-alpha flare paved the way for much interesting science.
Submitted on 2022-01-03
Coinciding with the enhanced sunspot activity of the last few weeks, the Sun also produced 8 low-level M-class flares.
Submitted on 2022-01-03
On 18 December 2021, Sergio Cortesi passed away at the age of 89. He was one of the giants amidst solar observers, and essential in the continuity and stability of the International Sunspot Number.
Submitted on 2021-12-27
Sunspot numbers were at high levels in December, with the daily estimated international sunspot number (EISN) by SILSO reaching 149 and 145 on 22-23 December respectively. These are the highest sunspot numbers recorded since September 2015.
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