{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-01-24","schedule":[{"end":"2026-01-25T05:40Z","end_local":"07:40","hours":14.25,"mean_quality":0.0,"start":"2026-01-24T15:25Z","start_local":"17:25","target":null}],"targets":[{"best_window":null,"dec":-5.3876,"moon_separation":69.3,"name":"M42","quality_hours":0.29,"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":5,"score_astronomy":84,"score_weather":6,"transit":{"airmass":1.47,"alt":42.9,"az":179.6,"t":"2026-01-24T19:40Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-01-24T18:00Z","end_local":"20:00","hours":2.58,"label":"unusable","mean_quality":0.0,"start":"2026-01-24T15:25Z","start_local":"17:25"},{"end":"2026-01-24T19:00Z","end_local":"21:00","hours":1.0,"label":"poor","mean_quality":0.29,"start":"2026-01-24T18:00Z","start_local":"20:00"},{"end":"2026-01-25T05:40Z","end_local":"07:40","hours":10.67,"label":"unusable","mean_quality":0.0,"start":"2026-01-24T19:00Z","start_local":"21:00"}]}],"unscheduled":[{"name":"M42","why":"Overcast (\u226580 % cloud) for 12.2 of 13.2 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}