{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":7.17,"best_label":"good","best_window":"21:50\u201305:00","dark_hours":7.14,"date":"2044-08-23","moon_free_dark_hours":7.12,"moon_illumination":1,"moon_separation":122.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.17,"best_label":"good","best_window":"21:50\u201305:00","dark_hours":7.2,"date":"2044-08-24","moon_free_dark_hours":7.18,"moon_illumination":5,"moon_separation":122.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.25,"best_label":"good","best_window":"21:50\u201305:05","dark_hours":7.25,"date":"2044-08-25","moon_free_dark_hours":7.23,"moon_illumination":10,"moon_separation":119.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.33,"best_label":"good","best_window":"21:45\u201305:05","dark_hours":7.31,"date":"2044-08-26","moon_free_dark_hours":7.3,"moon_illumination":18,"moon_separation":115.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.33,"best_label":"good","best_window":"21:45\u201305:05","dark_hours":7.37,"date":"2044-08-27","moon_free_dark_hours":7.22,"moon_illumination":27,"moon_separation":110.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"23:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.42,"best_label":"good","best_window":"21:40\u201305:05","dark_hours":7.42,"date":"2044-08-28","moon_free_dark_hours":6.78,"moon_illumination":36,"moon_separation":104.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"23:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.5,"best_label":"good","best_window":"21:40\u201305:10","dark_hours":7.48,"date":"2044-08-29","moon_free_dark_hours":6.27,"moon_illumination":46,"moon_separation":98.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"23:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.5,"best_label":"good","best_window":"21:40\u201305:10","dark_hours":7.54,"date":"2044-08-30","moon_free_dark_hours":5.63,"moon_illumination":55,"moon_separation":91.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"23:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.58,"best_label":"good","best_window":"21:35\u201305:10","dark_hours":7.59,"date":"2044-08-31","moon_free_dark_hours":4.88,"moon_illumination":64,"moon_separation":85.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"23:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.67,"best_label":"good","best_window":"21:35\u201305:15","dark_hours":7.65,"date":"2044-09-01","moon_free_dark_hours":4.0,"moon_illumination":73,"moon_separation":79.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"23:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.75,"best_label":"good","best_window":"21:30\u201305:15","dark_hours":7.7,"date":"2044-09-02","moon_free_dark_hours":3.0,"moon_illumination":81,"moon_separation":73.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"23:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.75,"best_label":"good","best_window":"21:30\u201305:15","dark_hours":7.76,"date":"2044-09-03","moon_free_dark_hours":1.97,"moon_illumination":88,"moon_separation":68.0,"score":null,"score_astronomy":92,"score_weather":null,"transit_alt":87.2,"transit_local":"23:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.75,"best_label":"good","best_window":"21:30\u201305:15","dark_hours":7.81,"date":"2044-09-04","moon_free_dark_hours":0.88,"moon_illumination":94,"moon_separation":63.3,"score":null,"score_astronomy":84,"score_weather":null,"transit_alt":87.2,"transit_local":"23:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.33,"best_label":"good","best_window":"21:25\u201321:45","dark_hours":7.87,"date":"2044-09-05","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":59.8,"score":null,"score_astronomy":61,"score_weather":null,"transit_alt":87.2,"transit_local":"23:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":8.5,"best_label":"marginal","best_window":"20:50\u201305:20","dark_hours":7.92,"date":"2044-09-06","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":57.7,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":87.2,"transit_local":"23:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.25,"best_label":"good","best_window":"21:20\u201321:35","dark_hours":7.98,"date":"2044-09-07","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":57.3,"score":null,"score_astronomy":61,"score_weather":null,"transit_alt":87.2,"transit_local":"23:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.83,"best_label":"good","best_window":"21:20\u201322:10","dark_hours":8.03,"date":"2044-09-08","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":58.8,"score":null,"score_astronomy":64,"score_weather":null,"transit_alt":87.2,"transit_local":"23:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.83,"best_label":"good","best_window":"21:20\u201323:10","dark_hours":8.09,"date":"2044-09-09","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":62.0,"score":null,"score_astronomy":69,"score_weather":null,"transit_alt":87.2,"transit_local":"23:05","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.75,"best_label":"good","best_window":"21:15\u201301:00","dark_hours":8.14,"date":"2044-09-10","moon_free_dark_hours":0.0,"moon_illumination":87,"moon_separation":66.8,"score":null,"score_astronomy":75,"score_weather":null,"transit_alt":87.2,"transit_local":"23:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.42,"best_label":"good","best_window":"21:15\u201302:40","dark_hours":8.19,"date":"2044-09-11","moon_free_dark_hours":0.12,"moon_illumination":79,"moon_separation":72.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:55","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":6.75,"best_label":"good","best_window":"21:10\u201303:55","dark_hours":8.25,"date":"2044-09-12","moon_free_dark_hours":0.72,"moon_illumination":69,"moon_separation":79.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:50","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.5,"best_label":"good","best_window":"21:10\u201304:40","dark_hours":8.3,"date":"2044-09-13","moon_free_dark_hours":1.48,"moon_illumination":58,"moon_separation":87.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:50","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.58,"best_label":"good","best_window":"21:10\u201304:45","dark_hours":8.35,"date":"2044-09-14","moon_free_dark_hours":2.45,"moon_illumination":47,"moon_separation":94.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:45","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.75,"best_label":"good","best_window":"21:05\u201304:50","dark_hours":8.41,"date":"2044-09-15","moon_free_dark_hours":3.6,"moon_illumination":36,"moon_separation":102.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:40","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.75,"best_label":"good","best_window":"21:05\u201304:50","dark_hours":8.46,"date":"2044-09-16","moon_free_dark_hours":4.87,"moon_illumination":25,"moon_separation":109.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:35","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.75,"best_label":"good","best_window":"21:05\u201304:50","dark_hours":8.51,"date":"2044-09-17","moon_free_dark_hours":6.22,"moon_illumination":16,"moon_separation":115.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:30","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.83,"best_label":"good","best_window":"21:00\u201304:50","dark_hours":8.56,"date":"2044-09-18","moon_free_dark_hours":7.55,"moon_illumination":8,"moon_separation":119.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:30","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.75,"best_label":"good","best_window":"21:00\u201304:45","dark_hours":8.61,"date":"2044-09-19","moon_free_dark_hours":8.6,"moon_illumination":3,"moon_separation":122.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:25","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.75,"best_label":"good","best_window":"20:55\u201304:40","dark_hours":8.67,"date":"2044-09-20","moon_free_dark_hours":8.65,"moon_illumination":0,"moon_separation":122.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:20","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.67,"best_label":"good","best_window":"20:55\u201304:35","dark_hours":8.72,"date":"2044-09-21","moon_free_dark_hours":8.7,"moon_illumination":0,"moon_separation":120.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:15","verdict":"unknown","weather_source":"none","weekday":"Wed"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2044-08-23","target":{"common_name":"North America Nebula","dec":44.33,"name":"NGC 7000","ra":314.69583333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=NGC%207000","source":"sesame","type":"Cl*","type_text":"star cluster"}}