{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":6.0,"best_label":"good","best_window":"22:30\u201304:30","dark_hours":5.93,"date":"2028-08-02","moon_free_dark_hours":0.37,"moon_illumination":94,"moon_separation":73.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"01:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":6.0,"best_label":"good","best_window":"22:30\u201304:30","dark_hours":5.99,"date":"2028-08-03","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":66.6,"score":null,"score_astronomy":70,"score_weather":null,"transit_alt":87.2,"transit_local":"01:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.92,"best_label":"good","best_window":"03:35\u201304:30","dark_hours":6.04,"date":"2028-08-04","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":61.2,"score":null,"score_astronomy":62,"score_weather":null,"transit_alt":87.3,"transit_local":"01:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":6.17,"best_label":"marginal","best_window":"22:25\u201304:35","dark_hours":6.1,"date":"2028-08-05","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":57.1,"score":null,"score_astronomy":58,"score_weather":null,"transit_alt":87.2,"transit_local":"01:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.33,"best_label":"good","best_window":"22:25\u201322:45","dark_hours":6.16,"date":"2028-08-06","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":54.5,"score":null,"score_astronomy":57,"score_weather":null,"transit_alt":87.2,"transit_local":"01:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.83,"best_label":"good","best_window":"22:25\u201323:15","dark_hours":6.21,"date":"2028-08-07","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":53.6,"score":null,"score_astronomy":61,"score_weather":null,"transit_alt":87.2,"transit_local":"01:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.83,"best_label":"good","best_window":"22:20\u201300:10","dark_hours":6.27,"date":"2028-08-08","moon_free_dark_hours":0.0,"moon_illumination":88,"moon_separation":54.5,"score":null,"score_astronomy":68,"score_weather":null,"transit_alt":87.2,"transit_local":"01:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.25,"best_label":"good","best_window":"22:20\u201301:35","dark_hours":6.33,"date":"2028-08-09","moon_free_dark_hours":0.0,"moon_illumination":82,"moon_separation":57.1,"score":null,"score_astronomy":74,"score_weather":null,"transit_alt":87.3,"transit_local":"01:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.75,"best_label":"good","best_window":"22:15\u201304:00","dark_hours":6.38,"date":"2028-08-10","moon_free_dark_hours":0.15,"moon_illumination":74,"moon_separation":61.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"01:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":6.42,"best_label":"good","best_window":"22:15\u201304:40","dark_hours":6.44,"date":"2028-08-11","moon_free_dark_hours":0.58,"moon_illumination":65,"moon_separation":66.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":6.5,"best_label":"good","best_window":"22:15\u201304:45","dark_hours":6.5,"date":"2028-08-12","moon_free_dark_hours":1.12,"moon_illumination":56,"moon_separation":72.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":6.58,"best_label":"good","best_window":"22:10\u201304:45","dark_hours":6.56,"date":"2028-08-13","moon_free_dark_hours":1.75,"moon_illumination":46,"moon_separation":79.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":6.58,"best_label":"good","best_window":"22:10\u201304:45","dark_hours":6.61,"date":"2028-08-14","moon_free_dark_hours":2.53,"moon_illumination":35,"moon_separation":87.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":6.67,"best_label":"good","best_window":"22:10\u201304:50","dark_hours":6.67,"date":"2028-08-15","moon_free_dark_hours":3.48,"moon_illumination":26,"moon_separation":94.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":6.75,"best_label":"good","best_window":"22:05\u201304:50","dark_hours":6.73,"date":"2028-08-16","moon_free_dark_hours":4.6,"moon_illumination":16,"moon_separation":102.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":6.75,"best_label":"good","best_window":"22:05\u201304:50","dark_hours":6.79,"date":"2028-08-17","moon_free_dark_hours":5.83,"moon_illumination":9,"moon_separation":110.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":6.92,"best_label":"good","best_window":"22:00\u201304:55","dark_hours":6.84,"date":"2028-08-18","moon_free_dark_hours":6.83,"moon_illumination":3,"moon_separation":117.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"00:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":6.92,"best_label":"good","best_window":"22:00\u201304:55","dark_hours":6.9,"date":"2028-08-19","moon_free_dark_hours":6.88,"moon_illumination":0,"moon_separation":122.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":6.92,"best_label":"good","best_window":"22:00\u201304:55","dark_hours":6.96,"date":"2028-08-20","moon_free_dark_hours":6.95,"moon_illumination":0,"moon_separation":125.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.0,"best_label":"good","best_window":"21:55\u201304:55","dark_hours":7.02,"date":"2028-08-21","moon_free_dark_hours":7.0,"moon_illumination":4,"moon_separation":126.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.08,"best_label":"good","best_window":"21:55\u201305:00","dark_hours":7.07,"date":"2028-08-22","moon_free_dark_hours":7.07,"moon_illumination":9,"moon_separation":123.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.17,"best_label":"good","best_window":"21:50\u201305:00","dark_hours":7.13,"date":"2028-08-23","moon_free_dark_hours":7.12,"moon_illumination":17,"moon_separation":118.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"00:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.17,"best_label":"good","best_window":"21:50\u201305:00","dark_hours":7.19,"date":"2028-08-24","moon_free_dark_hours":7.12,"moon_illumination":27,"moon_separation":112.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.25,"best_label":"good","best_window":"21:50\u201305:05","dark_hours":7.25,"date":"2028-08-25","moon_free_dark_hours":6.53,"moon_illumination":38,"moon_separation":104.8,"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":7.3,"date":"2028-08-26","moon_free_dark_hours":5.85,"moon_illumination":49,"moon_separation":97.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"00:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.33,"best_label":"good","best_window":"21:45\u201305:05","dark_hours":7.36,"date":"2028-08-27","moon_free_dark_hours":5.05,"moon_illumination":59,"moon_separation":89.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"23:55","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.42,"best_label":"good","best_window":"21:40\u201305:05","dark_hours":7.42,"date":"2028-08-28","moon_free_dark_hours":4.13,"moon_illumination":69,"moon_separation":81.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"23:50","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.5,"best_label":"good","best_window":"21:40\u201305:10","dark_hours":7.47,"date":"2028-08-29","moon_free_dark_hours":3.15,"moon_illumination":78,"moon_separation":74.5,"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":7.5,"best_label":"good","best_window":"21:40\u201305:10","dark_hours":7.53,"date":"2028-08-30","moon_free_dark_hours":2.12,"moon_illumination":86,"moon_separation":68.1,"score":null,"score_astronomy":96,"score_weather":null,"transit_alt":87.2,"transit_local":"23:45","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.58,"best_label":"good","best_window":"21:35\u201305:10","dark_hours":7.58,"date":"2028-08-31","moon_free_dark_hours":1.08,"moon_illumination":92,"moon_separation":62.4,"score":null,"score_astronomy":88,"score_weather":null,"transit_alt":87.2,"transit_local":"23:40","verdict":"unknown","weather_source":"none","weekday":"Thu"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2028-08-02","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"}}