{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2043-12-20","schedule":[{"end":"2043-12-20T18:15Z","end_local":"20:15","hours":3.42,"mean_quality":0.0,"start":"2043-12-20T14:50Z","start_local":"16:50","target":null},{"end":"2043-12-21T01:45Z","end_local":"03:45","hours":7.5,"mean_quality":0.62,"start":"2043-12-20T18:15Z","start_local":"20:15","target":"M42"},{"end":"2043-12-21T05:45Z","end_local":"07:45","hours":4.0,"mean_quality":0.0,"start":"2043-12-21T01:45Z","start_local":"03:45","target":null}],"targets":[{"best_window":{"end":"2043-12-20T23:40Z","end_local":"01:40","hours":4.92,"label":"good","mean_quality":0.68,"start":"2043-12-20T18:45Z","start_local":"20:45"},"dec":-5.3876,"moon_separation":72.2,"name":"M42","quality_hours":4.66,"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":83,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.7,"t":"2043-12-20T22:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2043-12-20T18:15Z","end_local":"20:15","hours":3.42,"label":"unusable","mean_quality":0.0,"start":"2043-12-20T14:50Z","start_local":"16:50"},{"end":"2043-12-20T18:45Z","end_local":"20:45","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2043-12-20T18:15Z","start_local":"20:15"},{"end":"2043-12-20T23:40Z","end_local":"01:40","hours":4.92,"label":"good","mean_quality":0.68,"start":"2043-12-20T18:45Z","start_local":"20:45"},{"end":"2043-12-21T01:45Z","end_local":"03:45","hours":2.08,"label":"marginal","mean_quality":0.5,"start":"2043-12-20T23:40Z","start_local":"01:40"},{"end":"2043-12-21T01:50Z","end_local":"03:50","hours":0.08,"label":"poor","mean_quality":0.28,"start":"2043-12-21T01:45Z","start_local":"03:45"},{"end":"2043-12-21T05:45Z","end_local":"07:45","hours":3.92,"label":"unusable","mean_quality":0.0,"start":"2043-12-21T01:50Z","start_local":"03:50"}]}],"unscheduled":[],"warnings":[]}
