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.

List of available tasks in project DarkSkies hosted in the Crowdcrafting platform (http://www.crowdcrafting.org). Time frame: 27/04/2014 - 22/12/2015

{"references": ["Cities at Night by Alejandro S\u00e1nchez de Miguel et al. Atlas of astronaut photos of Earth at night A&G (2014)"]}