{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2030-10-18","schedule":[{"end":"2030-10-18T22:25Z","end_local":"01:25","hours":6.83,"mean_quality":0.0,"start":"2030-10-18T15:35Z","start_local":"18:35","target":null},{"end":"2030-10-19T03:05Z","end_local":"06:05","hours":4.67,"mean_quality":0.51,"start":"2030-10-18T22:25Z","start_local":"01:25","target":"M42"},{"end":"2030-10-19T04:40Z","end_local":"07:40","hours":1.58,"mean_quality":0.0,"start":"2030-10-19T03:05Z","start_local":"06:05","target":null}],"targets":[{"best_window":{"end":"2030-10-19T03:05Z","end_local":"06:05","hours":4.67,"label":"marginal","mean_quality":0.51,"start":"2030-10-18T22:25Z","start_local":"01:25"},"dec":-5.3876,"moon_separation":34.7,"name":"M42","quality_hours":2.6,"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":36,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.2,"t":"2030-10-19T02:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2030-10-18T22:20Z","end_local":"01:20","hours":6.75,"label":"unusable","mean_quality":0.0,"start":"2030-10-18T15:35Z","start_local":"18:35"},{"end":"2030-10-18T22:25Z","end_local":"01:25","hours":0.08,"label":"poor","mean_quality":0.29,"start":"2030-10-18T22:20Z","start_local":"01:20"},{"end":"2030-10-19T03:05Z","end_local":"06:05","hours":4.67,"label":"marginal","mean_quality":0.51,"start":"2030-10-18T22:25Z","start_local":"01:25"},{"end":"2030-10-19T04:10Z","end_local":"07:10","hours":1.08,"label":"poor","mean_quality":0.17,"start":"2030-10-19T03:05Z","start_local":"06:05"},{"end":"2030-10-19T04:40Z","end_local":"07:40","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2030-10-19T04:10Z","start_local":"07:10"}]}],"unscheduled":[],"warnings":[]}