{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-09-06","schedule":[{"end":"2027-09-07T01:10Z","end_local":"04:10","hours":8.42,"mean_quality":0.0,"start":"2027-09-06T16:45Z","start_local":"19:45","target":null},{"end":"2027-09-07T02:55Z","end_local":"05:55","hours":1.75,"mean_quality":0.56,"start":"2027-09-07T01:10Z","start_local":"04:10","target":"M42"},{"end":"2027-09-07T03:55Z","end_local":"06:55","hours":1.0,"mean_quality":0.0,"start":"2027-09-07T02:55Z","start_local":"05:55","target":null}],"targets":[{"best_window":{"end":"2027-09-07T02:20Z","end_local":"05:20","hours":0.67,"label":"good","mean_quality":0.72,"start":"2027-09-07T01:40Z","start_local":"04:40"},"dec":-5.3876,"moon_separation":142.1,"name":"M42","quality_hours":1.04,"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":21,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.5,"t":"2027-09-07T04:55Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-09-07T01:10Z","end_local":"04:10","hours":8.42,"label":"unusable","mean_quality":0.0,"start":"2027-09-06T16:45Z","start_local":"19:45"},{"end":"2027-09-07T01:40Z","end_local":"04:40","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2027-09-07T01:10Z","start_local":"04:10"},{"end":"2027-09-07T02:20Z","end_local":"05:20","hours":0.67,"label":"good","mean_quality":0.72,"start":"2027-09-07T01:40Z","start_local":"04:40"},{"end":"2027-09-07T02:55Z","end_local":"05:55","hours":0.58,"label":"marginal","mean_quality":0.41,"start":"2027-09-07T02:20Z","start_local":"05:20"},{"end":"2027-09-07T03:25Z","end_local":"06:25","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2027-09-07T02:55Z","start_local":"05:55"},{"end":"2027-09-07T03:55Z","end_local":"06:55","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-09-07T03:25Z","start_local":"06:25"}]}],"unscheduled":[],"warnings":[]}