{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-09-15","schedule":[{"end":"2028-09-16T00:30Z","end_local":"03:30","hours":8.08,"mean_quality":0.0,"start":"2028-09-15T16:25Z","start_local":"19:25","target":null},{"end":"2028-09-16T03:05Z","end_local":"06:05","hours":2.58,"mean_quality":0.62,"start":"2028-09-16T00:30Z","start_local":"03:30","target":"M42"},{"end":"2028-09-16T04:05Z","end_local":"07:05","hours":1.0,"mean_quality":0.0,"start":"2028-09-16T03:05Z","start_local":"06:05","target":null}],"targets":[{"best_window":{"end":"2028-09-16T02:30Z","end_local":"05:30","hours":1.42,"label":"good","mean_quality":0.75,"start":"2028-09-16T01:05Z","start_local":"04:05"},"dec":-5.3876,"moon_separation":55.0,"name":"M42","quality_hours":1.66,"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":33,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.9,"t":"2028-09-16T04:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-09-16T00:30Z","end_local":"03:30","hours":8.08,"label":"unusable","mean_quality":0.0,"start":"2028-09-15T16:25Z","start_local":"19:25"},{"end":"2028-09-16T01:05Z","end_local":"04:05","hours":0.58,"label":"marginal","mean_quality":0.51,"start":"2028-09-16T00:30Z","start_local":"03:30"},{"end":"2028-09-16T02:30Z","end_local":"05:30","hours":1.42,"label":"good","mean_quality":0.75,"start":"2028-09-16T01:05Z","start_local":"04:05"},{"end":"2028-09-16T03:05Z","end_local":"06:05","hours":0.58,"label":"marginal","mean_quality":0.41,"start":"2028-09-16T02:30Z","start_local":"05:30"},{"end":"2028-09-16T03:35Z","end_local":"06:35","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2028-09-16T03:05Z","start_local":"06:05"},{"end":"2028-09-16T04:05Z","end_local":"07:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-09-16T03:35Z","start_local":"06:35"}]}],"unscheduled":[],"warnings":[]}