Analyzing Spatial Variations of Cloud Attenuation by a Network of All-Sky Imagers. - Niklas Benedikt Blum; Stefan Wilbert; Bijan Nouri; Jonas Stührenberg; Jorge Enrique Lezaca Galeano; Thomas Schmidt; Detlev Heinemann; Thomas Vogt; Andreas Kazantzidis; Robert Pitz-Paal (Remote. Sens., 2022)