{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2034-02-17","schedule":[{"end":"2034-02-17T17:00Z","end_local":"19:00","hours":1.08,"mean_quality":0.0,"start":"2034-02-17T15:55Z","start_local":"17:55","target":null},{"end":"2034-02-17T21:55Z","end_local":"23:55","hours":4.92,"mean_quality":0.77,"start":"2034-02-17T17:00Z","start_local":"19:00","target":"M42"},{"end":"2034-02-18T05:15Z","end_local":"07:15","hours":7.33,"mean_quality":0.0,"start":"2034-02-17T21:55Z","start_local":"23:55","target":null}],"targets":[{"best_window":{"end":"2034-02-17T21:25Z","end_local":"23:25","hours":3.92,"label":"good","mean_quality":0.84,"start":"2034-02-17T17:30Z","start_local":"19:30"},"dec":-5.3876,"moon_separation":124.1,"name":"M42","quality_hours":3.83,"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":85,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.4,"t":"2034-02-17T18:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2034-02-17T16:30Z","end_local":"18:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2034-02-17T15:55Z","start_local":"17:55"},{"end":"2034-02-17T17:00Z","end_local":"19:00","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2034-02-17T16:30Z","start_local":"18:30"},{"end":"2034-02-17T17:30Z","end_local":"19:30","hours":0.5,"label":"marginal","mean_quality":0.44,"start":"2034-02-17T17:00Z","start_local":"19:00"},{"end":"2034-02-17T21:25Z","end_local":"23:25","hours":3.92,"label":"good","mean_quality":0.84,"start":"2034-02-17T17:30Z","start_local":"19:30"},{"end":"2034-02-17T21:55Z","end_local":"23:55","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2034-02-17T21:25Z","start_local":"23:25"},{"end":"2034-02-18T05:15Z","end_local":"07:15","hours":7.33,"label":"unusable","mean_quality":0.0,"start":"2034-02-17T21:55Z","start_local":"23:55"}]}],"unscheduled":[],"warnings":[]}