{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2026-11-19","schedule":[{"end":"2026-11-19T20:15Z","end_local":"22:15","hours":5.33,"mean_quality":0.0,"start":"2026-11-19T14:55Z","start_local":"16:55","target":null},{"end":"2026-11-20T03:40Z","end_local":"05:40","hours":7.42,"mean_quality":0.72,"start":"2026-11-19T20:15Z","start_local":"22:15","target":"M42"},{"end":"2026-11-20T05:20Z","end_local":"07:20","hours":1.67,"mean_quality":0.0,"start":"2026-11-20T03:40Z","start_local":"05:40","target":null}],"targets":[{"best_window":{"end":"2026-11-20T03:20Z","end_local":"05:20","hours":6.08,"label":"good","mean_quality":0.77,"start":"2026-11-19T21:15Z","start_local":"23:15"},"dec":-5.3876,"moon_separation":88.8,"name":"M42","quality_hours":5.35,"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":89,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.5,"t":"2026-11-20T00:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-11-19T20:15Z","end_local":"22:15","hours":5.33,"label":"unusable","mean_quality":0.0,"start":"2026-11-19T14:55Z","start_local":"16:55"},{"end":"2026-11-19T21:15Z","end_local":"23:15","hours":1.0,"label":"marginal","mean_quality":0.46,"start":"2026-11-19T20:15Z","start_local":"22:15"},{"end":"2026-11-20T03:20Z","end_local":"05:20","hours":6.08,"label":"good","mean_quality":0.77,"start":"2026-11-19T21:15Z","start_local":"23:15"},{"end":"2026-11-20T03:40Z","end_local":"05:40","hours":0.33,"label":"marginal","mean_quality":0.54,"start":"2026-11-20T03:20Z","start_local":"05:20"},{"end":"2026-11-20T03:50Z","end_local":"05:50","hours":0.17,"label":"poor","mean_quality":0.22,"start":"2026-11-20T03:40Z","start_local":"05:40"},{"end":"2026-11-20T05:20Z","end_local":"07:20","hours":1.5,"label":"unusable","mean_quality":0.0,"start":"2026-11-20T03:50Z","start_local":"05:50"}]}],"unscheduled":[],"warnings":[]}