{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":3.58,"best_label":"good","best_window":"02:25\u201306:00","dark_hours":9.58,"date":"2032-10-09","moon_free_dark_hours":8.0,"moon_illumination":27,"moon_separation":155.0,"score":null,"score_astronomy":78,"score_weather":null,"transit_alt":42.9,"transit_local":"05:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.58,"best_label":"good","best_window":"02:25\u201306:00","dark_hours":9.62,"date":"2032-10-10","moon_free_dark_hours":7.1,"moon_illumination":37,"moon_separation":154.4,"score":null,"score_astronomy":80,"score_weather":null,"transit_alt":42.9,"transit_local":"05:35","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.67,"best_label":"good","best_window":"02:20\u201306:00","dark_hours":9.67,"date":"2032-10-11","moon_free_dark_hours":6.12,"moon_illumination":47,"moon_separation":147.8,"score":null,"score_astronomy":81,"score_weather":null,"transit_alt":42.9,"transit_local":"05:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.75,"best_label":"good","best_window":"02:15\u201306:00","dark_hours":9.71,"date":"2032-10-12","moon_free_dark_hours":5.03,"moon_illumination":59,"moon_separation":137.8,"score":null,"score_astronomy":82,"score_weather":null,"transit_alt":42.9,"transit_local":"05:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.92,"best_label":"good","best_window":"02:10\u201306:05","dark_hours":9.76,"date":"2032-10-13","moon_free_dark_hours":3.92,"moon_illumination":70,"moon_separation":126.1,"score":null,"score_astronomy":84,"score_weather":null,"transit_alt":42.9,"transit_local":"05:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.75,"best_label":"good","best_window":"02:20\u201306:05","dark_hours":9.8,"date":"2032-10-14","moon_free_dark_hours":2.75,"moon_illumination":80,"moon_separation":113.4,"score":null,"score_astronomy":84,"score_weather":null,"transit_alt":42.9,"transit_local":"05:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.67,"best_label":"good","best_window":"02:25\u201306:05","dark_hours":9.84,"date":"2032-10-15","moon_free_dark_hours":1.57,"moon_illumination":88,"moon_separation":100.2,"score":null,"score_astronomy":79,"score_weather":null,"transit_alt":42.9,"transit_local":"05:15","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.0,"best_label":"good","best_window":"03:05\u201306:05","dark_hours":9.89,"date":"2032-10-16","moon_free_dark_hours":0.37,"moon_illumination":95,"moon_separation":86.7,"score":null,"score_astronomy":70,"score_weather":null,"transit_alt":42.9,"transit_local":"05:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.92,"best_label":"good","best_window":"05:10\u201306:05","dark_hours":9.93,"date":"2032-10-17","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":73.2,"score":null,"score_astronomy":41,"score_weather":null,"transit_alt":42.9,"transit_local":"05:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.17,"best_label":"marginal","best_window":"02:00\u201306:10","dark_hours":9.97,"date":"2032-10-18","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":60.1,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":42.9,"transit_local":"05:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.83,"best_label":"marginal","best_window":"02:20\u201306:10","dark_hours":10.01,"date":"2032-10-19","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":47.7,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":42.9,"transit_local":"05:00","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.67,"best_label":"marginal","best_window":"04:30\u201306:10","dark_hours":10.06,"date":"2032-10-20","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":36.6,"score":null,"score_astronomy":13,"score_weather":null,"transit_alt":42.9,"transit_local":"05:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.92,"best_label":"marginal","best_window":"05:15\u201306:10","dark_hours":10.1,"date":"2032-10-21","moon_free_dark_hours":0.62,"moon_illumination":88,"moon_separation":28.1,"score":null,"score_astronomy":12,"score_weather":null,"transit_alt":42.9,"transit_local":"04:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.42,"best_label":"marginal","best_window":"01:45\u201306:10","dark_hours":10.14,"date":"2032-10-22","moon_free_dark_hours":1.5,"moon_illumination":80,"moon_separation":24.5,"score":null,"score_astronomy":16,"score_weather":null,"transit_alt":42.9,"transit_local":"04:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.92,"best_label":"marginal","best_window":"01:20\u201306:15","dark_hours":10.18,"date":"2032-10-23","moon_free_dark_hours":2.42,"moon_illumination":71,"moon_separation":27.0,"score":null,"score_astronomy":24,"score_weather":null,"transit_alt":42.9,"transit_local":"04:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.25,"best_label":"marginal","best_window":"01:00\u201306:15","dark_hours":10.22,"date":"2032-10-24","moon_free_dark_hours":3.4,"moon_illumination":62,"moon_separation":33.9,"score":null,"score_astronomy":36,"score_weather":null,"transit_alt":42.9,"transit_local":"04:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.08,"best_label":"good","best_window":"01:55\u201305:00","dark_hours":10.26,"date":"2032-10-25","moon_free_dark_hours":4.35,"moon_illumination":52,"moon_separation":42.9,"score":null,"score_astronomy":51,"score_weather":null,"transit_alt":42.9,"transit_local":"04:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.67,"best_label":"good","best_window":"01:35\u201306:15","dark_hours":10.3,"date":"2032-10-26","moon_free_dark_hours":5.32,"moon_illumination":42,"moon_separation":52.8,"score":null,"score_astronomy":68,"score_weather":null,"transit_alt":42.9,"transit_local":"04:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.08,"best_label":"good","best_window":"01:15\u201306:20","dark_hours":10.34,"date":"2032-10-27","moon_free_dark_hours":6.28,"moon_illumination":33,"moon_separation":63.2,"score":null,"score_astronomy":82,"score_weather":null,"transit_alt":42.9,"transit_local":"04:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.17,"best_label":"good","best_window":"01:10\u201306:20","dark_hours":10.37,"date":"2032-10-28","moon_free_dark_hours":7.25,"moon_illumination":24,"moon_separation":73.7,"score":null,"score_astronomy":86,"score_weather":null,"transit_alt":42.9,"transit_local":"04:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.17,"best_label":"good","best_window":"01:10\u201306:20","dark_hours":10.41,"date":"2032-10-29","moon_free_dark_hours":8.22,"moon_illumination":17,"moon_separation":84.5,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":42.9,"transit_local":"04:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.25,"best_label":"good","best_window":"01:05\u201305:20","dark_hours":10.45,"date":"2032-10-30","moon_free_dark_hours":9.2,"moon_illumination":10,"moon_separation":95.4,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":42.9,"transit_local":"03:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.33,"best_label":"good","best_window":"00:00\u201305:20","dark_hours":10.49,"date":"2032-10-31","moon_free_dark_hours":10.18,"moon_illumination":5,"moon_separation":106.3,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":42.9,"transit_local":"03:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.5,"best_label":"good","best_window":"23:55\u201305:25","dark_hours":10.52,"date":"2032-11-01","moon_free_dark_hours":10.5,"moon_illumination":2,"moon_separation":117.3,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":42.9,"transit_local":"03:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.58,"best_label":"good","best_window":"23:50\u201305:25","dark_hours":10.56,"date":"2032-11-02","moon_free_dark_hours":10.53,"moon_illumination":0,"moon_separation":128.2,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":42.9,"transit_local":"03:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.58,"best_label":"good","best_window":"23:50\u201305:25","dark_hours":10.59,"date":"2032-11-03","moon_free_dark_hours":10.57,"moon_illumination":0,"moon_separation":138.6,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":42.9,"transit_local":"03:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.67,"best_label":"good","best_window":"23:45\u201305:25","dark_hours":10.63,"date":"2032-11-04","moon_free_dark_hours":10.6,"moon_illumination":3,"moon_separation":147.9,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":42.9,"transit_local":"03:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.75,"best_label":"good","best_window":"23:40\u201305:25","dark_hours":10.66,"date":"2032-11-05","moon_free_dark_hours":10.55,"moon_illumination":8,"moon_separation":154.2,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":42.9,"transit_local":"02:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.92,"best_label":"good","best_window":"23:35\u201305:30","dark_hours":10.7,"date":"2032-11-06","moon_free_dark_hours":9.67,"moon_illumination":14,"moon_separation":155.1,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":42.9,"transit_local":"02:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.92,"best_label":"good","best_window":"23:35\u201305:30","dark_hours":10.73,"date":"2032-11-07","moon_free_dark_hours":8.7,"moon_illumination":23,"moon_separation":149.7,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":42.9,"transit_local":"02:45","verdict":"unknown","weather_source":"none","weekday":"Sun"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2032-10-09","target":{"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"}}