Stanislav Darula from the Slovak Academy of Science (SAS) and Aicha Diakite from the TU Berlin were invited by Prof. Mohelníková to give a talk on daylight measurements and standardization at the Brno University of Technology, Czech Republic. Aicha’s presentation entitled ”Light Up! Characterizing Daylight for NIF Simulations” is part of the Light Up! lecture series within the project “Spectral Sky Models” supported by the Velux Stiftung. The presentation took place on Friday June 8 2018, at the Faculty of Civil Engineering.