{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":5.67,"best_label":"good","best_window":"18:45\u201300:25","dark_hours":10.8,"date":"2039-11-10","moon_free_dark_hours":6.5,"moon_illumination":33,"moon_separation":117.3,"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":10.83,"date":"2039-11-11","moon_free_dark_hours":7.63,"moon_illumination":23,"moon_separation":116.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"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":10.87,"date":"2039-11-12","moon_free_dark_hours":8.8,"moon_illumination":15,"moon_separation":114.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"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":10.9,"date":"2039-11-13","moon_free_dark_hours":10.03,"moon_illumination":8,"moon_separation":110.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"17:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.42,"best_label":"good","best_window":"18:40\u201300:05","dark_hours":10.93,"date":"2039-11-14","moon_free_dark_hours":10.92,"moon_illumination":3,"moon_separation":105.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"17:45","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":"2039-11-15","moon_free_dark_hours":10.93,"moon_illumination":0,"moon_separation":99.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"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":10.98,"date":"2039-11-16","moon_free_dark_hours":10.97,"moon_illumination":1,"moon_separation":92.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"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":11.01,"date":"2039-11-17","moon_free_dark_hours":11.0,"moon_illumination":4,"moon_separation":85.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"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":11.04,"date":"2039-11-18","moon_free_dark_hours":10.8,"moon_illumination":10,"moon_separation":78.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"17:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.17,"best_label":"good","best_window":"18:35\u201323:45","dark_hours":11.06,"date":"2039-11-19","moon_free_dark_hours":9.78,"moon_illumination":19,"moon_separation":72.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"17:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.17,"best_label":"good","best_window":"18:35\u201323:45","dark_hours":11.09,"date":"2039-11-20","moon_free_dark_hours":8.62,"moon_illumination":29,"moon_separation":68.1,"score":null,"score_astronomy":93,"score_weather":null,"transit_alt":87.3,"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":11.12,"date":"2039-11-21","moon_free_dark_hours":7.42,"moon_illumination":39,"moon_separation":64.7,"score":null,"score_astronomy":86,"score_weather":null,"transit_alt":87.3,"transit_local":"17:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.75,"best_label":"good","best_window":"18:35\u201323:20","dark_hours":11.14,"date":"2039-11-22","moon_free_dark_hours":6.23,"moon_illumination":50,"moon_separation":63.0,"score":null,"score_astronomy":79,"score_weather":null,"transit_alt":87.3,"transit_local":"17:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.5,"best_label":"good","best_window":"18:35\u201323:05","dark_hours":11.16,"date":"2039-11-23","moon_free_dark_hours":5.1,"moon_illumination":61,"moon_separation":62.8,"score":null,"score_astronomy":70,"score_weather":null,"transit_alt":87.3,"transit_local":"17:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.17,"best_label":"good","best_window":"18:35\u201321:45","dark_hours":11.19,"date":"2039-11-24","moon_free_dark_hours":4.0,"moon_illumination":71,"moon_separation":64.2,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":87.2,"transit_local":"17:10","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.0,"best_label":"good","best_window":"18:35\u201320:35","dark_hours":11.21,"date":"2039-11-25","moon_free_dark_hours":2.95,"moon_illumination":80,"moon_separation":66.9,"score":null,"score_astronomy":53,"score_weather":null,"transit_alt":87.3,"transit_local":"17:05","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.5,"best_label":"good","best_window":"18:35\u201320:05","dark_hours":11.23,"date":"2039-11-26","moon_free_dark_hours":1.92,"moon_illumination":87,"moon_separation":70.6,"score":null,"score_astronomy":49,"score_weather":null,"transit_alt":87.3,"transit_local":"17:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.42,"best_label":"good","best_window":"18:35\u201320:00","dark_hours":11.25,"date":"2039-11-27","moon_free_dark_hours":0.9,"moon_illumination":93,"moon_separation":75.1,"score":null,"score_astronomy":49,"score_weather":null,"transit_alt":87.3,"transit_local":"16:55","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.75,"best_label":"good","best_window":"18:35\u201320:20","dark_hours":11.27,"date":"2039-11-28","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":80.2,"score":null,"score_astronomy":51,"score_weather":null,"transit_alt":87.3,"transit_local":"16:50","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.17,"best_label":"good","best_window":"18:35\u201320:45","dark_hours":11.29,"date":"2039-11-29","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":85.5,"score":null,"score_astronomy":56,"score_weather":null,"transit_alt":87.3,"transit_local":"16:50","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.75,"best_label":"good","best_window":"18:35\u201321:20","dark_hours":11.31,"date":"2039-11-30","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":91.0,"score":null,"score_astronomy":63,"score_weather":null,"transit_alt":87.3,"transit_local":"16:45","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.33,"best_label":"good","best_window":"18:35\u201321:55","dark_hours":11.33,"date":"2039-12-01","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":96.4,"score":null,"score_astronomy":70,"score_weather":null,"transit_alt":87.3,"transit_local":"16:40","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.83,"best_label":"good","best_window":"18:35\u201322:25","dark_hours":11.35,"date":"2039-12-02","moon_free_dark_hours":0.0,"moon_illumination":96,"moon_separation":101.5,"score":null,"score_astronomy":79,"score_weather":null,"transit_alt":87.3,"transit_local":"16:35","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.92,"best_label":"good","best_window":"18:35\u201322:30","dark_hours":11.36,"date":"2039-12-03","moon_free_dark_hours":0.47,"moon_illumination":91,"moon_separation":106.3,"score":null,"score_astronomy":97,"score_weather":null,"transit_alt":87.2,"transit_local":"16:30","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.92,"best_label":"good","best_window":"18:35\u201322:30","dark_hours":11.38,"date":"2039-12-04","moon_free_dark_hours":1.38,"moon_illumination":85,"moon_separation":110.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"16:30","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.0,"best_label":"good","best_window":"18:35\u201322:35","dark_hours":11.39,"date":"2039-12-05","moon_free_dark_hours":2.35,"moon_illumination":77,"moon_separation":113.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"16:25","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.0,"best_label":"good","best_window":"18:35\u201322:35","dark_hours":11.41,"date":"2039-12-06","moon_free_dark_hours":3.38,"moon_illumination":69,"moon_separation":116.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"16:20","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.0,"best_label":"good","best_window":"18:35\u201322:35","dark_hours":11.42,"date":"2039-12-07","moon_free_dark_hours":4.45,"moon_illumination":59,"moon_separation":117.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"16:15","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.92,"best_label":"good","best_window":"18:35\u201322:30","dark_hours":11.43,"date":"2039-12-08","moon_free_dark_hours":5.52,"moon_illumination":49,"moon_separation":117.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"16:15","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.92,"best_label":"good","best_window":"18:35\u201322:30","dark_hours":11.44,"date":"2039-12-09","moon_free_dark_hours":6.62,"moon_illumination":39,"moon_separation":115.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"16:10","verdict":"unknown","weather_source":"none","weekday":"Fri"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2039-11-10","target":{"dec":44.25788576,"name":"EM* LkHA 190","ra":314.72388973,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=V1057%20Cyg","source":"sesame","spectral_type":"F7/G3I/IIe","type":"Or*","type_text":"Orion-type variable \u2014 a young, erupting star","vmag":12.33}}