International Sunspot Index
SILSO
World Data Center for the production, preservation and dissemination of the international sunspot number
Sunspot workshops - ISSI team (external link)
Recalibration of the sunspot number series
Space Weather forecasts
RWC Brussels
RWC Brussels provides daily space weather forecasts
PECASUS (external link)
The PECASUS consortium is one of the four global centers providing space weather advisories according to ICAO regulations.
Data visualisation
JHelioviewer
A software to display miscellaneous solar data from ground base and spaceborne observatories
Image processing
Solar Demon
Flares, Dimmings and EUV waves event detection
Cactus
Coronal mass ejections detection
SpoCA
Detection and characterization of active regions and coronal holes on EUV images
Space instruments
PROBA2
First Belgian space solar observatory
EUI
EUV imager onboard Solar Orbiter
PROBA3
Formation flying coronagraph
Ground based observations
Humain radioastronomy station
Solar dynamic spectra
USET
Sunspot drawings; photospheric and chromospheric images from Uccle
Solarnet/spring (external link)
Development of the technical concepts for a world-wide distributed network of a suite of small, dedicated telescopes which observe the entire solar disk, in support for coordinated observations with the major infrastructures.