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Date: 2012-01-12 12:40:55International Dark-Sky Association Campaign for Dark Skies Space Dark-sky preserve Night sky Dark Skies Galloway Forest Park Amateur astronomy Light pollution Astronomy Observational astronomy | How to develop Dark Sky potentialAdd to Reading ListSource URL: www.darkskydiscovery.org.ukDownload Document from Source WebsiteFile Size: 51,27 KBShare Document on Facebook |