This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I built and how it gets people outdoors clearnight is a stargazing planner that answers one question for the week ahead: which nights are actually worth going outside for — and what will be up there when you are? It fuses three kinds of data into a ranked list of nights: The sky — astronomical darkness windows (Sun below −18°), Moon phase, illumination, rise/set and alti...