%0 Conference Paper %A Sánchez de Miguel, Alejandro %A Zamorano Calvo, Jaime %A Pascual Ramírez, Sergio %A López Cayuela, Marian %A Ocaña González, Francisco %A Challupner, Peter %A Fernández-Renau, A. %A Gómez, J.A. %T ISS nocturnal images as a scientific tool against Light Pollution: Flux calibration and colors %D 2012 %U https://hdl.handle.net/20.500.14352/45905 %X The potential of the pictures of the Earth taken at night from the International Space Station (ISS) with a Nikon D3s digital camera to fight against light pollution is shown.We show that RAW pictures should be used to obtain fluxes. We have developed a method to perform absolute photometric calibration measuring fluxes of the stars recorded in the pictures and also calibrated sources at earth. %~