{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-08-22","schedule":[{"end":"2028-08-23T03:40Z","end_local":"06:40","hours":10.58,"mean_quality":0.0,"start":"2028-08-22T17:05Z","start_local":"20:05","target":null}],"targets":[{"best_window":null,"dec":-5.3876,"moon_separation":98.6,"name":"M42","quality_hours":0.19,"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":1,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.2,"t":"2028-08-23T05:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-08-23T02:05Z","end_local":"05:05","hours":9.0,"label":"unusable","mean_quality":0.0,"start":"2028-08-22T17:05Z","start_local":"20:05"},{"end":"2028-08-23T03:10Z","end_local":"06:10","hours":1.08,"label":"poor","mean_quality":0.17,"start":"2028-08-23T02:05Z","start_local":"05:05"},{"end":"2028-08-23T03:40Z","end_local":"06:40","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-08-23T03:10Z","start_local":"06:10"}]}],"unscheduled":[{"name":"M42","why":"no usable window tonight"}],"warnings":[]}