On December 26, 2019 an annular solar eclipse took place. The eclipse path ran over multiple countries including parts of India, Indonesia and Malaysia and many nearby countries could also see a partial eclipse. This eclipse was not visible from Belgium, but we were able to observe it as a partial solar eclipse with the Belgian PROBA2 satellite. The satellite orbits the Earth so quickly that it was able to observe the eclipse more than once before the Moon had completely traversed the solar disk.
The PROBA2 team continuously works on improving the LYRA and SWAP data: the calibration routines for both instruments are updated regularly, and the latest version is always available, for example through 
