{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":4.08,"best_label":"good","best_window":"23:45\u201303:50","dark_hours":4.99,"date":"2046-05-27","moon_free_dark_hours":3.23,"moon_illumination":48,"moon_separation":54.7,"score":null,"score_astronomy":92,"score_weather":null,"transit_alt":87.2,"transit_local":"06:00","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.17,"best_label":"good","best_window":"23:40\u201303:50","dark_hours":4.94,"date":"2046-05-28","moon_free_dark_hours":3.55,"moon_illumination":39,"moon_separation":54.7,"score":null,"score_astronomy":94,"score_weather":null,"transit_alt":87.2,"transit_local":"05:55","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.25,"best_label":"good","best_window":"23:35\u201303:50","dark_hours":4.9,"date":"2046-05-29","moon_free_dark_hours":3.85,"moon_illumination":30,"moon_separation":56.3,"score":null,"score_astronomy":97,"score_weather":null,"transit_alt":87.2,"transit_local":"05:50","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.25,"best_label":"good","best_window":"23:30\u201303:45","dark_hours":4.86,"date":"2046-05-30","moon_free_dark_hours":4.18,"moon_illumination":21,"moon_separation":59.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:45","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.33,"best_label":"good","best_window":"23:25\u201303:45","dark_hours":4.83,"date":"2046-05-31","moon_free_dark_hours":4.57,"moon_illumination":14,"moon_separation":64.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"05:40","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.33,"best_label":"good","best_window":"23:25\u201303:45","dark_hours":4.79,"date":"2046-06-01","moon_free_dark_hours":4.77,"moon_illumination":8,"moon_separation":69.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:40","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.42,"best_label":"good","best_window":"23:20\u201303:45","dark_hours":4.75,"date":"2046-06-02","moon_free_dark_hours":4.73,"moon_illumination":3,"moon_separation":76.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:35","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.5,"best_label":"good","best_window":"23:15\u201303:45","dark_hours":4.72,"date":"2046-06-03","moon_free_dark_hours":4.7,"moon_illumination":1,"moon_separation":83.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:30","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.69,"date":"2046-06-04","moon_free_dark_hours":4.68,"moon_illumination":0,"moon_separation":91.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:25","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.5,"best_label":"good","best_window":"23:10\u201303:40","dark_hours":4.66,"date":"2046-06-05","moon_free_dark_hours":4.65,"moon_illumination":2,"moon_separation":99.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:25","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.58,"best_label":"good","best_window":"23:05\u201303:40","dark_hours":4.63,"date":"2046-06-06","moon_free_dark_hours":4.62,"moon_illumination":6,"moon_separation":106.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:20","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.58,"best_label":"good","best_window":"23:05\u201303:40","dark_hours":4.6,"date":"2046-06-07","moon_free_dark_hours":4.13,"moon_illumination":12,"moon_separation":113.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:15","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.58,"best_label":"good","best_window":"23:05\u201303:40","dark_hours":4.58,"date":"2046-06-08","moon_free_dark_hours":3.55,"moon_illumination":21,"moon_separation":119.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:10","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.58,"best_label":"good","best_window":"23:05\u201303:40","dark_hours":4.55,"date":"2046-06-09","moon_free_dark_hours":3.07,"moon_illumination":31,"moon_separation":123.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:05","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.58,"best_label":"good","best_window":"23:05\u201303:40","dark_hours":4.53,"date":"2046-06-10","moon_free_dark_hours":2.62,"moon_illumination":42,"moon_separation":125.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:05","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.5,"best_label":"good","best_window":"23:10\u201303:40","dark_hours":4.51,"date":"2046-06-11","moon_free_dark_hours":2.2,"moon_illumination":53,"moon_separation":125.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"05:00","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.5,"best_label":"good","best_window":"23:10\u201303:40","dark_hours":4.49,"date":"2046-06-12","moon_free_dark_hours":1.77,"moon_illumination":65,"moon_separation":122.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"04:55","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.5,"best_label":"good","best_window":"23:10\u201303:40","dark_hours":4.48,"date":"2046-06-13","moon_free_dark_hours":1.33,"moon_illumination":75,"moon_separation":117.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"04:50","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.5,"best_label":"good","best_window":"23:10\u201303:40","dark_hours":4.46,"date":"2046-06-14","moon_free_dark_hours":0.82,"moon_illumination":84,"moon_separation":111.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"04:45","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.5,"best_label":"good","best_window":"23:10\u201303:40","dark_hours":4.45,"date":"2046-06-15","moon_free_dark_hours":0.2,"moon_illumination":92,"moon_separation":103.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"04:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.5,"best_label":"good","best_window":"23:10\u201303:40","dark_hours":4.44,"date":"2046-06-16","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":95.8,"score":null,"score_astronomy":83,"score_weather":null,"transit_alt":87.2,"transit_local":"04:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.5,"best_label":"good","best_window":"23:10\u201303:40","dark_hours":4.43,"date":"2046-06-17","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":87.9,"score":null,"score_astronomy":74,"score_weather":null,"transit_alt":87.2,"transit_local":"04:35","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.5,"best_label":"good","best_window":"23:10\u201303:40","dark_hours":4.43,"date":"2046-06-18","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":80.2,"score":null,"score_astronomy":65,"score_weather":null,"transit_alt":87.2,"transit_local":"04:30","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.42,"date":"2046-06-19","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":73.0,"score":null,"score_astronomy":59,"score_weather":null,"transit_alt":87.2,"transit_local":"04:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.42,"date":"2046-06-20","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":66.6,"score":null,"score_astronomy":57,"score_weather":null,"transit_alt":87.2,"transit_local":"04:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.42,"date":"2046-06-21","moon_free_dark_hours":0.13,"moon_illumination":88,"moon_separation":61.3,"score":null,"score_astronomy":76,"score_weather":null,"transit_alt":87.2,"transit_local":"04:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.43,"date":"2046-06-22","moon_free_dark_hours":0.55,"moon_illumination":81,"moon_separation":57.3,"score":null,"score_astronomy":82,"score_weather":null,"transit_alt":87.2,"transit_local":"04:15","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.43,"date":"2046-06-23","moon_free_dark_hours":0.92,"moon_illumination":73,"moon_separation":55.0,"score":null,"score_astronomy":91,"score_weather":null,"transit_alt":87.2,"transit_local":"04:10","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.44,"date":"2046-06-24","moon_free_dark_hours":1.25,"moon_illumination":64,"moon_separation":54.3,"score":null,"score_astronomy":93,"score_weather":null,"transit_alt":87.2,"transit_local":"04:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.45,"date":"2046-06-25","moon_free_dark_hours":1.58,"moon_illumination":55,"moon_separation":55.4,"score":null,"score_astronomy":96,"score_weather":null,"transit_alt":87.2,"transit_local":"04:05","verdict":"unknown","weather_source":"none","weekday":"Mon"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2046-05-27","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"}}