{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2046-12-17","schedule":[{"end":"2046-12-17T18:25Z","end_local":"20:25","hours":3.58,"mean_quality":0.0,"start":"2046-12-17T14:50Z","start_local":"16:50","target":null},{"end":"2046-12-18T01:45Z","end_local":"03:45","hours":7.33,"mean_quality":0.55,"start":"2046-12-17T18:25Z","start_local":"20:25","target":"M42"},{"end":"2046-12-18T05:45Z","end_local":"07:45","hours":4.0,"mean_quality":0.0,"start":"2046-12-18T01:45Z","start_local":"03:45","target":null}],"targets":[{"best_window":{"end":"2046-12-17T21:40Z","end_local":"23:40","hours":2.17,"label":"good","mean_quality":0.61,"start":"2046-12-17T19:30Z","start_local":"21:30"},"dec":-5.3876,"moon_separation":61.5,"name":"M42","quality_hours":4.1,"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":72,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.4,"t":"2046-12-17T22:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2046-12-17T18:25Z","end_local":"20:25","hours":3.58,"label":"unusable","mean_quality":0.0,"start":"2046-12-17T14:50Z","start_local":"16:50"},{"end":"2046-12-17T19:00Z","end_local":"21:00","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2046-12-17T18:25Z","start_local":"20:25"},{"end":"2046-12-17T19:20Z","end_local":"21:20","hours":0.33,"label":"good","mean_quality":0.68,"start":"2046-12-17T19:00Z","start_local":"21:00"},{"end":"2046-12-17T19:30Z","end_local":"21:30","hours":0.17,"label":"marginal","mean_quality":0.59,"start":"2046-12-17T19:20Z","start_local":"21:20"},{"end":"2046-12-17T21:40Z","end_local":"23:40","hours":2.17,"label":"good","mean_quality":0.61,"start":"2046-12-17T19:30Z","start_local":"21:30"},{"end":"2046-12-18T01:45Z","end_local":"03:45","hours":4.08,"label":"marginal","mean_quality":0.51,"start":"2046-12-17T21:40Z","start_local":"23:40"},{"end":"2046-12-18T02:00Z","end_local":"04:00","hours":0.25,"label":"poor","mean_quality":0.27,"start":"2046-12-18T01:45Z","start_local":"03:45"},{"end":"2046-12-18T05:45Z","end_local":"07:45","hours":3.75,"label":"unusable","mean_quality":0.0,"start":"2046-12-18T02:00Z","start_local":"04:00"}]}],"unscheduled":[],"warnings":[]}