https://www.darkskydc.org/news-and-events daily 0.75 2026-05-16 https://www.darkskydc.org/news-and-events/announcing-the-first-darksky-dc-bad-lighting-photo-contest monthly 0.5 2026-05-16 https://www.darkskydc.org/news-and-events/dark-sky-dc-testifies-on-the-new-lighting-plan-for-union-station-j53sd-an2tw monthly 0.5 2026-04-19 https://images.squarespace-cdn.com/content/v1/6893ddf740d3aa5d5e5fe01d/6bcd0c12-5a9a-46fd-a4fc-0830aca970ae/UnionStation1.jpg News and Events - Spring 2026 Chapter Newsletter: DarkSky DC - (Photo: Initial lighting proposal for Union Station) (Photo: Prior Lighting Proposal for Union Station) https://images.squarespace-cdn.com/content/v1/6893ddf740d3aa5d5e5fe01d/7c238b2a-a15a-4445-bc2b-3f73274205ce/UnionStation2.jpg News and Events - Spring 2026 Chapter Newsletter: DarkSky DC - (Photo: Second lighting proposal for Union Station) https://images.squarespace-cdn.com/content/v1/6893ddf740d3aa5d5e5fe01d/29e7c3b2-c263-4903-bd39-eda11dec2dc8/WH-251110.jpg News and Events - Spring 2026 Chapter Newsletter: DarkSky DC - (Photo: DarkSky DC luminance measurements for the White House — in yellow text. 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https://images.squarespace-cdn.com/content/v1/6893ddf740d3aa5d5e5fe01d/3630e52d-e5d8-41d7-8d4e-cc3ec4f2f332/Five-Lighting-Principles-08-2023.webp Photo Contest - What are we looking for in these contest images? Images must present problem lighting in Washington DC. We see problem lighting as lighting that does not comply with DarkSky International’s Five Principles for Outdoor Lighting. The images can be old or new, but must represent current conditions.