{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2026-12-26","schedule":[{"end":"2026-12-26T17:50Z","end_local":"19:50","hours":2.92,"mean_quality":0.0,"start":"2026-12-26T14:55Z","start_local":"16:55","target":null},{"end":"2026-12-27T00:55Z","end_local":"02:55","hours":7.08,"mean_quality":0.48,"start":"2026-12-26T17:50Z","start_local":"19:50","target":"M42"},{"end":"2026-12-27T05:50Z","end_local":"07:50","hours":4.92,"mean_quality":0.0,"start":"2026-12-27T00:55Z","start_local":"02:55","target":null}],"targets":[{"best_window":{"end":"2026-12-27T00:55Z","end_local":"02:55","hours":7.08,"label":"marginal","mean_quality":0.48,"start":"2026-12-26T17:50Z","start_local":"19:50"},"dec":-5.3876,"moon_separation":58.1,"name":"M42","quality_hours":3.54,"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":49,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.6,"t":"2026-12-26T21:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-26T17:50Z","end_local":"19:50","hours":2.92,"label":"unusable","mean_quality":0.0,"start":"2026-12-26T14:55Z","start_local":"16:55"},{"end":"2026-12-27T00:55Z","end_local":"02:55","hours":7.08,"label":"marginal","mean_quality":0.48,"start":"2026-12-26T17:50Z","start_local":"19:50"},{"end":"2026-12-27T01:25Z","end_local":"03:25","hours":0.5,"label":"poor","mean_quality":0.25,"start":"2026-12-27T00:55Z","start_local":"02:55"},{"end":"2026-12-27T05:50Z","end_local":"07:50","hours":4.42,"label":"unusable","mean_quality":0.0,"start":"2026-12-27T01:25Z","start_local":"03:25"}]}],"unscheduled":[],"warnings":[]}
