{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-10-12","schedule":[{"end":"2025-10-12T23:00Z","end_local":"02:00","hours":7.33,"mean_quality":0.0,"start":"2025-10-12T15:40Z","start_local":"18:40","target":null},{"end":"2025-10-13T01:00Z","end_local":"04:00","hours":2.0,"mean_quality":0.39,"start":"2025-10-12T23:00Z","start_local":"02:00","target":"M42"},{"end":"2025-10-13T04:35Z","end_local":"07:35","hours":3.58,"mean_quality":0.0,"start":"2025-10-13T01:00Z","start_local":"04:00","target":null}],"targets":[{"best_window":{"end":"2025-10-13T01:00Z","end_local":"04:00","hours":2.0,"label":"marginal","mean_quality":0.39,"start":"2025-10-12T23:00Z","start_local":"02:00"},"dec":-5.3876,"moon_separation":37.0,"name":"M42","quality_hours":1.16,"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":15,"score_astronomy":28,"score_weather":52,"transit":{"airmass":1.47,"alt":42.9,"az":180.0,"t":"2025-10-13T02:30Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-10-12T22:45Z","end_local":"01:45","hours":7.08,"label":"unusable","mean_quality":0.0,"start":"2025-10-12T15:40Z","start_local":"18:40"},{"end":"2025-10-12T23:00Z","end_local":"02:00","hours":0.25,"label":"poor","mean_quality":0.25,"start":"2025-10-12T22:45Z","start_local":"01:45"},{"end":"2025-10-13T01:00Z","end_local":"04:00","hours":2.0,"label":"marginal","mean_quality":0.39,"start":"2025-10-12T23:00Z","start_local":"02:00"},{"end":"2025-10-13T03:00Z","end_local":"06:00","hours":2.0,"label":"poor","mean_quality":0.16,"start":"2025-10-13T01:00Z","start_local":"04:00"},{"end":"2025-10-13T04:35Z","end_local":"07:35","hours":1.58,"label":"unusable","mean_quality":0.0,"start":"2025-10-13T03:00Z","start_local":"06:00"}]}],"unscheduled":[],"warnings":[]}
