{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":2.17,"best_label":"good","best_window":"03:20\u201305:30","dark_hours":8.03,"date":"2047-04-02","moon_free_dark_hours":2.9,"moon_illumination":43,"moon_separation":102.1,"score":null,"score_astronomy":53,"score_weather":null,"transit_alt":87.2,"transit_local":"09:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.17,"best_label":"good","best_window":"03:15\u201305:25","dark_hours":7.98,"date":"2047-04-03","moon_free_dark_hours":2.17,"moon_illumination":53,"moon_separation":109.1,"score":null,"score_astronomy":53,"score_weather":null,"transit_alt":87.2,"transit_local":"09:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.08,"best_label":"good","best_window":"03:20\u201305:25","dark_hours":7.92,"date":"2047-04-04","moon_free_dark_hours":1.53,"moon_illumination":63,"moon_separation":115.5,"score":null,"score_astronomy":54,"score_weather":null,"transit_alt":87.1,"transit_local":"09:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.08,"best_label":"good","best_window":"03:15\u201305:20","dark_hours":7.87,"date":"2047-04-05","moon_free_dark_hours":0.97,"moon_illumination":74,"moon_separation":121.0,"score":null,"score_astronomy":53,"score_weather":null,"transit_alt":87.2,"transit_local":"09:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.08,"best_label":"good","best_window":"03:15\u201305:20","dark_hours":7.81,"date":"2047-04-06","moon_free_dark_hours":0.47,"moon_illumination":83,"moon_separation":124.8,"score":null,"score_astronomy":53,"score_weather":null,"transit_alt":87.2,"transit_local":"09:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.17,"best_label":"good","best_window":"03:10\u201305:20","dark_hours":7.75,"date":"2047-04-07","moon_free_dark_hours":0.0,"moon_illumination":91,"moon_separation":126.4,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":87.2,"transit_local":"09:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":2.08,"best_label":"good","best_window":"03:10\u201305:15","dark_hours":7.7,"date":"2047-04-08","moon_free_dark_hours":0.0,"moon_illumination":96,"moon_separation":125.2,"score":null,"score_astronomy":48,"score_weather":null,"transit_alt":87.2,"transit_local":"09:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.17,"best_label":"good","best_window":"03:05\u201305:15","dark_hours":7.64,"date":"2047-04-09","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":121.4,"score":null,"score_astronomy":48,"score_weather":null,"transit_alt":87.2,"transit_local":"09:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.08,"best_label":"good","best_window":"03:05\u201305:10","dark_hours":7.58,"date":"2047-04-10","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":115.3,"score":null,"score_astronomy":45,"score_weather":null,"transit_alt":87.2,"transit_local":"09:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.08,"best_label":"good","best_window":"03:05\u201305:10","dark_hours":7.53,"date":"2047-04-11","moon_free_dark_hours":0.23,"moon_illumination":96,"moon_separation":107.7,"score":null,"score_astronomy":43,"score_weather":null,"transit_alt":87.2,"transit_local":"09:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.08,"best_label":"good","best_window":"03:05\u201305:10","dark_hours":7.47,"date":"2047-04-12","moon_free_dark_hours":1.52,"moon_illumination":91,"moon_separation":99.3,"score":null,"score_astronomy":41,"score_weather":null,"transit_alt":87.2,"transit_local":"08:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.08,"best_label":"good","best_window":"03:00\u201305:05","dark_hours":7.41,"date":"2047-04-13","moon_free_dark_hours":2.72,"moon_illumination":83,"moon_separation":90.6,"score":null,"score_astronomy":39,"score_weather":null,"transit_alt":87.1,"transit_local":"08:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.17,"best_label":"good","best_window":"02:55\u201305:05","dark_hours":7.36,"date":"2047-04-14","moon_free_dark_hours":3.7,"moon_illumination":73,"moon_separation":82.2,"score":null,"score_astronomy":40,"score_weather":null,"transit_alt":87.2,"transit_local":"08:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":2.17,"best_label":"good","best_window":"02:50\u201305:00","dark_hours":7.3,"date":"2047-04-15","moon_free_dark_hours":4.52,"moon_illumination":63,"moon_separation":74.4,"score":null,"score_astronomy":42,"score_weather":null,"transit_alt":87.2,"transit_local":"08:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.58,"best_label":"good","best_window":"02:25\u201305:00","dark_hours":7.24,"date":"2047-04-16","moon_free_dark_hours":5.15,"moon_illumination":52,"moon_separation":67.4,"score":null,"score_astronomy":47,"score_weather":null,"transit_alt":87.2,"transit_local":"08:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.67,"best_label":"good","best_window":"02:20\u201305:00","dark_hours":7.18,"date":"2047-04-17","moon_free_dark_hours":5.67,"moon_illumination":42,"moon_separation":61.6,"score":null,"score_astronomy":55,"score_weather":null,"transit_alt":87.2,"transit_local":"08:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.67,"best_label":"good","best_window":"02:15\u201304:55","dark_hours":7.12,"date":"2047-04-18","moon_free_dark_hours":6.08,"moon_illumination":32,"moon_separation":57.2,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":87.1,"transit_local":"08:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.67,"best_label":"good","best_window":"02:15\u201304:55","dark_hours":7.07,"date":"2047-04-19","moon_free_dark_hours":6.47,"moon_illumination":23,"moon_separation":54.5,"score":null,"score_astronomy":63,"score_weather":null,"transit_alt":87.2,"transit_local":"08:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.67,"best_label":"good","best_window":"02:10\u201304:50","dark_hours":7.01,"date":"2047-04-20","moon_free_dark_hours":6.8,"moon_illumination":16,"moon_separation":53.6,"score":null,"score_astronomy":67,"score_weather":null,"transit_alt":87.2,"transit_local":"08:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.75,"best_label":"good","best_window":"02:05\u201304:50","dark_hours":6.95,"date":"2047-04-21","moon_free_dark_hours":6.93,"moon_illumination":10,"moon_separation":54.5,"score":null,"score_astronomy":70,"score_weather":null,"transit_alt":87.2,"transit_local":"08:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":2.83,"best_label":"good","best_window":"02:00\u201304:50","dark_hours":6.89,"date":"2047-04-22","moon_free_dark_hours":6.88,"moon_illumination":5,"moon_separation":57.2,"score":null,"score_astronomy":71,"score_weather":null,"transit_alt":87.2,"transit_local":"08:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.75,"best_label":"good","best_window":"02:00\u201304:45","dark_hours":6.83,"date":"2047-04-23","moon_free_dark_hours":6.82,"moon_illumination":2,"moon_separation":61.3,"score":null,"score_astronomy":72,"score_weather":null,"transit_alt":87.1,"transit_local":"08:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.83,"best_label":"good","best_window":"01:55\u201304:45","dark_hours":6.78,"date":"2047-04-24","moon_free_dark_hours":6.77,"moon_illumination":0,"moon_separation":66.5,"score":null,"score_astronomy":73,"score_weather":null,"transit_alt":87.2,"transit_local":"08:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.92,"best_label":"good","best_window":"01:50\u201304:45","dark_hours":6.72,"date":"2047-04-25","moon_free_dark_hours":6.7,"moon_illumination":1,"moon_separation":72.5,"score":null,"score_astronomy":75,"score_weather":null,"transit_alt":87.2,"transit_local":"08:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.92,"best_label":"good","best_window":"01:45\u201304:40","dark_hours":6.66,"date":"2047-04-26","moon_free_dark_hours":6.65,"moon_illumination":3,"moon_separation":79.2,"score":null,"score_astronomy":75,"score_weather":null,"transit_alt":87.2,"transit_local":"08:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.0,"best_label":"good","best_window":"01:40\u201304:40","dark_hours":6.6,"date":"2047-04-27","moon_free_dark_hours":5.88,"moon_illumination":7,"moon_separation":86.2,"score":null,"score_astronomy":77,"score_weather":null,"transit_alt":87.2,"transit_local":"07:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.92,"best_label":"good","best_window":"01:40\u201304:35","dark_hours":6.54,"date":"2047-04-28","moon_free_dark_hours":4.93,"moon_illumination":12,"moon_separation":93.4,"score":null,"score_astronomy":76,"score_weather":null,"transit_alt":87.2,"transit_local":"07:55","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.0,"best_label":"good","best_window":"01:35\u201304:35","dark_hours":6.48,"date":"2047-04-29","moon_free_dark_hours":4.08,"moon_illumination":19,"moon_separation":100.5,"score":null,"score_astronomy":78,"score_weather":null,"transit_alt":87.2,"transit_local":"07:50","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.08,"best_label":"good","best_window":"01:30\u201304:35","dark_hours":6.43,"date":"2047-04-30","moon_free_dark_hours":3.33,"moon_illumination":28,"moon_separation":107.5,"score":null,"score_astronomy":80,"score_weather":null,"transit_alt":87.2,"transit_local":"07:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.0,"best_label":"good","best_window":"01:30\u201304:30","dark_hours":6.37,"date":"2047-05-01","moon_free_dark_hours":2.68,"moon_illumination":37,"moon_separation":114.0,"score":null,"score_astronomy":80,"score_weather":null,"transit_alt":87.2,"transit_local":"07:40","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":"2047-04-02","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"}}