{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2026-11-18","schedule":[{"end":"2026-11-18T20:20Z","end_local":"22:20","hours":5.42,"mean_quality":0.0,"start":"2026-11-18T14:55Z","start_local":"16:55","target":null},{"end":"2026-11-19T03:40Z","end_local":"05:40","hours":7.33,"mean_quality":0.76,"start":"2026-11-18T20:20Z","start_local":"22:20","target":"M42"},{"end":"2026-11-19T05:15Z","end_local":"07:15","hours":1.58,"mean_quality":0.0,"start":"2026-11-19T03:40Z","start_local":"05:40","target":null}],"targets":[{"best_window":{"end":"2026-11-19T03:25Z","end_local":"05:25","hours":6.33,"label":"good","mean_quality":0.81,"start":"2026-11-18T21:05Z","start_local":"23:05"},"dec":-5.3876,"moon_separation":99.6,"name":"M42","quality_hours":5.65,"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":179.8,"t":"2026-11-19T00:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-11-18T20:20Z","end_local":"22:20","hours":5.42,"label":"unusable","mean_quality":0.0,"start":"2026-11-18T14:55Z","start_local":"16:55"},{"end":"2026-11-18T21:05Z","end_local":"23:05","hours":0.75,"label":"marginal","mean_quality":0.47,"start":"2026-11-18T20:20Z","start_local":"22:20"},{"end":"2026-11-19T03:25Z","end_local":"05:25","hours":6.33,"label":"good","mean_quality":0.81,"start":"2026-11-18T21:05Z","start_local":"23:05"},{"end":"2026-11-19T03:40Z","end_local":"05:40","hours":0.25,"label":"marginal","mean_quality":0.55,"start":"2026-11-19T03:25Z","start_local":"05:25"},{"end":"2026-11-19T03:55Z","end_local":"05:55","hours":0.25,"label":"poor","mean_quality":0.23,"start":"2026-11-19T03:40Z","start_local":"05:40"},{"end":"2026-11-19T05:15Z","end_local":"07:15","hours":1.33,"label":"unusable","mean_quality":0.0,"start":"2026-11-19T03:55Z","start_local":"05:55"}]}],"unscheduled":[],"warnings":[]}