Tasks run in DarkSkies Project (Cities At Night - 2015)

Creative Commons License. Cities at Night by Alejandro Sánchez de Miguel et al. Atlas of astronaut photos of Earth at night A&G (2014) is distributed under Creative Commons Non commercial attribution – Share 4.0 International licence. https://doi.org/10.1093/astrogeo/atu165 However, if the Cities at Night data are a principal component of a science paper then co-authorship to PI's should be offered.