J. M. Beckers

• A fully tunable Lyot-Öhman filter
• A high resolution spectral atlas of the solar irradiance from 380 to 700 nanometers
• A study of the fine structures in the solar chromosphere
• A table of Zeeman multiplets
• ESO Conference on High-Resolution Imaging by Interferometry II
• Magnetic fields in the solar atmosphere
• Motions in the solar atmosphere
• New views of sunspots