{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-03-26","schedule":[{"end":"2027-03-26T17:45Z","end_local":"19:45","hours":1.17,"mean_quality":0.0,"start":"2027-03-26T16:35Z","start_local":"18:35","target":null},{"end":"2027-03-26T19:30Z","end_local":"21:30","hours":1.75,"mean_quality":0.58,"start":"2027-03-26T17:45Z","start_local":"19:45","target":"M42"},{"end":"2027-03-27T04:15Z","end_local":"06:15","hours":8.75,"mean_quality":0.0,"start":"2027-03-26T19:30Z","start_local":"21:30","target":null}],"targets":[{"best_window":{"end":"2027-03-26T19:00Z","end_local":"21:00","hours":0.75,"label":"good","mean_quality":0.73,"start":"2027-03-26T18:15Z","start_local":"20:15"},"dec":-5.3876,"moon_separation":140.4,"name":"M42","quality_hours":1.09,"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":22,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.2,"t":"2027-03-26T15:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-03-26T17:10Z","end_local":"19:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-03-26T16:35Z","start_local":"18:35"},{"end":"2027-03-26T17:45Z","end_local":"19:45","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2027-03-26T17:10Z","start_local":"19:10"},{"end":"2027-03-26T18:15Z","end_local":"20:15","hours":0.5,"label":"marginal","mean_quality":0.41,"start":"2027-03-26T17:45Z","start_local":"19:45"},{"end":"2027-03-26T19:00Z","end_local":"21:00","hours":0.75,"label":"good","mean_quality":0.73,"start":"2027-03-26T18:15Z","start_local":"20:15"},{"end":"2027-03-26T19:30Z","end_local":"21:30","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2027-03-26T19:00Z","start_local":"21:00"},{"end":"2027-03-27T04:15Z","end_local":"06:15","hours":8.75,"label":"unusable","mean_quality":0.0,"start":"2027-03-26T19:30Z","start_local":"21:30"}]}],"unscheduled":[],"warnings":[]}