{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-04-11","schedule":[{"end":"2027-04-12T03:50Z","end_local":"06:50","hours":10.92,"mean_quality":0.0,"start":"2027-04-11T16:55Z","start_local":"19:55","target":null}],"targets":[{"best_window":null,"dec":-5.3876,"moon_separation":32.8,"name":"M42","quality_hours":0.14,"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":1,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.2,"t":"2027-04-11T14:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-04-11T17:30Z","end_local":"20:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-04-11T16:55Z","start_local":"19:55"},{"end":"2027-04-11T18:30Z","end_local":"21:30","hours":1.0,"label":"poor","mean_quality":0.14,"start":"2027-04-11T17:30Z","start_local":"20:30"},{"end":"2027-04-12T03:50Z","end_local":"06:50","hours":9.33,"label":"unusable","mean_quality":0.0,"start":"2027-04-11T18:30Z","start_local":"21:30"}]}],"unscheduled":[{"name":"M42","why":"no usable window tonight"}],"warnings":[]}
