{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-11-24","schedule":[{"end":"2025-11-24T19:55Z","end_local":"21:55","hours":5.08,"mean_quality":0.0,"start":"2025-11-24T14:50Z","start_local":"16:50","target":null},{"end":"2025-11-25T01:00Z","end_local":"03:00","hours":5.08,"mean_quality":0.66,"start":"2025-11-24T19:55Z","start_local":"21:55","target":"M42"},{"end":"2025-11-25T05:25Z","end_local":"07:25","hours":4.42,"mean_quality":0.0,"start":"2025-11-25T01:00Z","start_local":"03:00","target":null}],"targets":[{"best_window":{"end":"2025-11-25T00:00Z","end_local":"02:00","hours":3.58,"label":"good","mean_quality":0.76,"start":"2025-11-24T20:25Z","start_local":"22:25"},"dec":-5.3876,"moon_separation":136.0,"name":"M42","quality_hours":3.33,"ra":83.8201,"resolved":{"common_name":"Great Orion Nebula","dec":-5.3876,"name":"M 42","ra":83.8201,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M42","source":"sesame","type":"HII","type_text":"HII region \u2014 a star-forming nebula"},"score":50,"score_astronomy":89,"score_weather":56,"transit":{"airmass":1.47,"alt":42.9,"az":179.7,"t":"2025-11-24T23:40Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2025-11-24T19:55Z","end_local":"21:55","hours":5.08,"label":"unusable","mean_quality":0.0,"start":"2025-11-24T14:50Z","start_local":"16:50"},{"end":"2025-11-24T20:25Z","end_local":"22:25","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2025-11-24T19:55Z","start_local":"21:55"},{"end":"2025-11-25T00:00Z","end_local":"02:00","hours":3.58,"label":"good","mean_quality":0.76,"start":"2025-11-24T20:25Z","start_local":"22:25"},{"end":"2025-11-25T01:00Z","end_local":"03:00","hours":1.0,"label":"marginal","mean_quality":0.35,"start":"2025-11-25T00:00Z","start_local":"02:00"},{"end":"2025-11-25T05:25Z","end_local":"07:25","hours":4.42,"label":"unusable","mean_quality":0.0,"start":"2025-11-25T01:00Z","start_local":"03:00"}]}],"unscheduled":[],"warnings":[]}