PROBA2
Submitted on 2025-12-08
A new data product reflects the progress that the LYRA team has made to discern the different instrumental degradation of quiet-Sun, active-region, and flare signals, and how to correct the data accordingly. The LYRA team wants to present this 15-year daily dataset to the solar community, in order to enable a comparison with various solar indicators, and to study the solar cycle.
Submitted on 2021-12-14
Twelve years ago today, on 14 december 2009, the SWAP EUV telescope onboard the PROBA2 satellite laid its eye on the sun for the first time. After the nerve-racking procedure of opening the instrument door and taking this first image, PROBA2 operators and scientists waited impatiently for this first image to be downloaded from the satellite.
Submitted on 2021-12-08
While the penguins were gazing at the total eclipse on December 4, the instruments onboard the PROBA2 satellite worked overtime to image and measure not one, but four passages of the moon in front of the sun. One of these occultations was nearly total for the SWAP EUV imager: as much as 96% of the solar disk was covered by the moon during the second passage
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