Zamorano Calvo, JaimeSánchez de Miguel, AlejandroNievas Rosillo, MireiaTapia Ayuga, Carlos2023-06-192023-06-192014-10-02https://hdl.handle.net/20.500.14352/41603The NixNox procedure to build all-sky maps of the nocturnal night sky brightness using SQM photometers is described. Astronomers belonging to amateur associations in Spain are using this observational method to obtain data of their preferred sites of observation to characterize the astronomical quality of the sky and the sources of light pollution.engNixNox procedure to build Night Sky Brightness maps from SQM photometers observationstechnical reportopen access52-33Sky brightnessLight pollutionFísica (Física)Astronomía (Física)Óptica (Física)22 Física2209.19 Óptica Física