{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":6.08,"best_label":"marginal","best_window":"18:55\u201301:00","dark_hours":10.48,"date":"2028-10-31","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":62.3,"score":null,"score_astronomy":46,"score_weather":null,"transit_alt":87.2,"transit_local":"18:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.58,"best_label":"good","best_window":"18:50\u201319:25","dark_hours":10.52,"date":"2028-11-01","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":68.0,"score":null,"score_astronomy":52,"score_weather":null,"transit_alt":87.2,"transit_local":"18:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.08,"best_label":"good","best_window":"18:50\u201320:55","dark_hours":10.56,"date":"2028-11-02","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":74.5,"score":null,"score_astronomy":62,"score_weather":null,"transit_alt":87.2,"transit_local":"18:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.17,"best_label":"good","best_window":"18:50\u201322:00","dark_hours":10.59,"date":"2028-11-03","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":81.6,"score":null,"score_astronomy":74,"score_weather":null,"transit_alt":87.2,"transit_local":"18:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.25,"best_label":"good","best_window":"18:50\u201323:05","dark_hours":10.63,"date":"2028-11-04","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":89.1,"score":null,"score_astronomy":81,"score_weather":null,"transit_alt":87.2,"transit_local":"18:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.25,"best_label":"good","best_window":"18:50\u201300:05","dark_hours":10.66,"date":"2028-11-05","moon_free_dark_hours":0.45,"moon_illumination":88,"moon_separation":96.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"18:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.5,"best_label":"good","best_window":"18:45\u201300:15","dark_hours":10.69,"date":"2028-11-06","moon_free_dark_hours":1.47,"moon_illumination":80,"moon_separation":104.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"18:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.58,"best_label":"good","best_window":"18:45\u201300:20","dark_hours":10.73,"date":"2028-11-07","moon_free_dark_hours":2.58,"moon_illumination":71,"moon_separation":111.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"18:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.58,"best_label":"good","best_window":"18:45\u201300:20","dark_hours":10.76,"date":"2028-11-08","moon_free_dark_hours":3.77,"moon_illumination":61,"moon_separation":117.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"18:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.58,"best_label":"good","best_window":"18:45\u201300:20","dark_hours":10.79,"date":"2028-11-09","moon_free_dark_hours":4.98,"moon_illumination":50,"moon_separation":122.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"18:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.58,"best_label":"good","best_window":"18:45\u201300:20","dark_hours":10.82,"date":"2028-11-10","moon_free_dark_hours":6.2,"moon_illumination":38,"moon_separation":125.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"18:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.58,"best_label":"good","best_window":"18:40\u201300:15","dark_hours":10.86,"date":"2028-11-11","moon_free_dark_hours":7.43,"moon_illumination":28,"moon_separation":126.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"17:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.5,"best_label":"good","best_window":"18:40\u201300:10","dark_hours":10.89,"date":"2028-11-12","moon_free_dark_hours":8.7,"moon_illumination":18,"moon_separation":124.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"17:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.5,"best_label":"good","best_window":"18:40\u201300:10","dark_hours":10.92,"date":"2028-11-13","moon_free_dark_hours":9.97,"moon_illumination":10,"moon_separation":120.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"17:50","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.42,"best_label":"good","best_window":"18:40\u201300:05","dark_hours":10.95,"date":"2028-11-14","moon_free_dark_hours":10.93,"moon_illumination":4,"moon_separation":114.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"17:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.33,"best_label":"good","best_window":"18:40\u201300:00","dark_hours":10.97,"date":"2028-11-15","moon_free_dark_hours":10.97,"moon_illumination":1,"moon_separation":106.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"17:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.25,"best_label":"good","best_window":"18:40\u201323:55","dark_hours":11.0,"date":"2028-11-16","moon_free_dark_hours":10.98,"moon_illumination":0,"moon_separation":98.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"17:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.17,"best_label":"good","best_window":"18:40\u201323:50","dark_hours":11.03,"date":"2028-11-17","moon_free_dark_hours":11.02,"moon_illumination":2,"moon_separation":89.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"17:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.25,"best_label":"good","best_window":"18:35\u201323:50","dark_hours":11.06,"date":"2028-11-18","moon_free_dark_hours":11.05,"moon_illumination":7,"moon_separation":81.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"17:30","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.17,"best_label":"good","best_window":"18:35\u201323:45","dark_hours":11.08,"date":"2028-11-19","moon_free_dark_hours":10.25,"moon_illumination":14,"moon_separation":73.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"17:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.08,"best_label":"good","best_window":"18:35\u201323:40","dark_hours":11.11,"date":"2028-11-20","moon_free_dark_hours":9.17,"moon_illumination":21,"moon_separation":67.0,"score":null,"score_astronomy":97,"score_weather":null,"transit_alt":87.2,"transit_local":"17:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.0,"best_label":"good","best_window":"18:35\u201323:35","dark_hours":11.13,"date":"2028-11-21","moon_free_dark_hours":8.08,"moon_illumination":30,"moon_separation":61.3,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":87.2,"transit_local":"17:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.92,"best_label":"good","best_window":"18:35\u201323:30","dark_hours":11.16,"date":"2028-11-22","moon_free_dark_hours":7.03,"moon_illumination":40,"moon_separation":56.9,"score":null,"score_astronomy":83,"score_weather":null,"transit_alt":87.2,"transit_local":"17:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.58,"best_label":"good","best_window":"18:35\u201323:10","dark_hours":11.18,"date":"2028-11-23","moon_free_dark_hours":6.03,"moon_illumination":49,"moon_separation":54.2,"score":null,"score_astronomy":76,"score_weather":null,"transit_alt":87.2,"transit_local":"17:10","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.25,"best_label":"good","best_window":"18:35\u201322:50","dark_hours":11.2,"date":"2028-11-24","moon_free_dark_hours":5.05,"moon_illumination":59,"moon_separation":53.2,"score":null,"score_astronomy":62,"score_weather":null,"transit_alt":87.2,"transit_local":"17:05","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.92,"best_label":"good","best_window":"18:35\u201320:30","dark_hours":11.22,"date":"2028-11-25","moon_free_dark_hours":4.08,"moon_illumination":68,"moon_separation":54.0,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":87.2,"transit_local":"17:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.08,"best_label":"marginal","best_window":"18:35\u201323:40","dark_hours":11.25,"date":"2028-11-26","moon_free_dark_hours":3.1,"moon_illumination":76,"moon_separation":56.6,"score":null,"score_astronomy":43,"score_weather":null,"transit_alt":87.2,"transit_local":"16:55","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.92,"best_label":"marginal","best_window":"18:35\u201323:30","dark_hours":11.27,"date":"2028-11-27","moon_free_dark_hours":2.12,"moon_illumination":84,"moon_separation":60.7,"score":null,"score_astronomy":39,"score_weather":null,"transit_alt":87.2,"transit_local":"16:55","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.75,"best_label":"marginal","best_window":"18:35\u201323:20","dark_hours":11.29,"date":"2028-11-28","moon_free_dark_hours":1.1,"moon_illumination":90,"moon_separation":66.0,"score":null,"score_astronomy":38,"score_weather":null,"transit_alt":87.2,"transit_local":"16:50","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.42,"best_label":"good","best_window":"18:35\u201319:00","dark_hours":11.3,"date":"2028-11-29","moon_free_dark_hours":0.03,"moon_illumination":95,"moon_separation":72.3,"score":null,"score_astronomy":41,"score_weather":null,"transit_alt":87.2,"transit_local":"16:45","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":"2028-10-31","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"}}