{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2026-11-23","schedule":[{"end":"2026-11-23T22:40Z","end_local":"00:40","hours":7.75,"mean_quality":0.0,"start":"2026-11-23T14:55Z","start_local":"16:55","target":null},{"end":"2026-11-24T03:15Z","end_local":"05:15","hours":4.58,"mean_quality":0.35,"start":"2026-11-23T22:40Z","start_local":"00:40","target":"M42"},{"end":"2026-11-24T05:25Z","end_local":"07:25","hours":2.17,"mean_quality":0.0,"start":"2026-11-24T03:15Z","start_local":"05:15","target":null}],"targets":[{"best_window":{"end":"2026-11-24T03:15Z","end_local":"05:15","hours":4.58,"label":"marginal","mean_quality":0.35,"start":"2026-11-23T22:40Z","start_local":"00:40"},"dec":-5.3876,"moon_separation":45.1,"name":"M42","quality_hours":2.38,"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":null,"score_astronomy":24,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.7,"t":"2026-11-23T23:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-11-23T20:00Z","end_local":"22:00","hours":5.08,"label":"unusable","mean_quality":0.0,"start":"2026-11-23T14:55Z","start_local":"16:55"},{"end":"2026-11-23T22:40Z","end_local":"00:40","hours":2.67,"label":"poor","mean_quality":0.25,"start":"2026-11-23T20:00Z","start_local":"22:00"},{"end":"2026-11-24T03:15Z","end_local":"05:15","hours":4.58,"label":"marginal","mean_quality":0.35,"start":"2026-11-23T22:40Z","start_local":"00:40"},{"end":"2026-11-24T03:35Z","end_local":"05:35","hours":0.33,"label":"poor","mean_quality":0.26,"start":"2026-11-24T03:15Z","start_local":"05:15"},{"end":"2026-11-24T05:25Z","end_local":"07:25","hours":1.83,"label":"unusable","mean_quality":0.0,"start":"2026-11-24T03:35Z","start_local":"05:35"}]}],"unscheduled":[],"warnings":[]}