{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2030-10-19","schedule":[{"end":"2030-10-19T22:20Z","end_local":"01:20","hours":6.83,"mean_quality":0.0,"start":"2030-10-19T15:30Z","start_local":"18:30","target":null},{"end":"2030-10-20T03:20Z","end_local":"06:20","hours":5.0,"mean_quality":0.59,"start":"2030-10-19T22:20Z","start_local":"01:20","target":"M42"},{"end":"2030-10-20T04:40Z","end_local":"07:40","hours":1.33,"mean_quality":0.0,"start":"2030-10-20T03:20Z","start_local":"06:20","target":null}],"targets":[{"best_window":{"end":"2030-10-20T03:10Z","end_local":"06:10","hours":3.92,"label":"good","mean_quality":0.63,"start":"2030-10-19T23:15Z","start_local":"02:15"},"dec":-5.3876,"moon_separation":42.8,"name":"M42","quality_hours":3.1,"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":50,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.5,"t":"2030-10-20T02:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2030-10-19T22:20Z","end_local":"01:20","hours":6.83,"label":"unusable","mean_quality":0.0,"start":"2030-10-19T15:30Z","start_local":"18:30"},{"end":"2030-10-19T23:15Z","end_local":"02:15","hours":0.92,"label":"marginal","mean_quality":0.47,"start":"2030-10-19T22:20Z","start_local":"01:20"},{"end":"2030-10-20T03:10Z","end_local":"06:10","hours":3.92,"label":"good","mean_quality":0.63,"start":"2030-10-19T23:15Z","start_local":"02:15"},{"end":"2030-10-20T03:20Z","end_local":"06:20","hours":0.17,"label":"marginal","mean_quality":0.3,"start":"2030-10-20T03:10Z","start_local":"06:10"},{"end":"2030-10-20T04:15Z","end_local":"07:15","hours":0.92,"label":"poor","mean_quality":0.16,"start":"2030-10-20T03:20Z","start_local":"06:20"},{"end":"2030-10-20T04:40Z","end_local":"07:40","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2030-10-20T04:15Z","start_local":"07:15"}]}],"unscheduled":[],"warnings":[]}