{"calculation_version":"2026-10-10.1","days":30,"nights":[{"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":56.8,"score":null,"score_astronomy":83,"score_weather":null,"transit_alt":87.3,"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":54.1,"score":null,"score_astronomy":76,"score_weather":null,"transit_alt":87.3,"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":53.1,"score":null,"score_astronomy":62,"score_weather":null,"transit_alt":87.3,"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":87.3,"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":87.3,"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":60.6,"score":null,"score_astronomy":39,"score_weather":null,"transit_alt":87.3,"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":87.3,"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":87.3,"transit_local":"16:45","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.33,"best_label":"good","best_window":"18:35\u201319:55","dark_hours":11.32,"date":"2028-11-30","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":79.4,"score":null,"score_astronomy":47,"score_weather":null,"transit_alt":87.3,"transit_local":"16:40","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.17,"best_label":"good","best_window":"18:35\u201320:45","dark_hours":11.34,"date":"2028-12-01","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":87.0,"score":null,"score_astronomy":55,"score_weather":null,"transit_alt":87.3,"transit_local":"16:35","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.0,"best_label":"good","best_window":"18:35\u201321:35","dark_hours":11.36,"date":"2028-12-02","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":94.8,"score":null,"score_astronomy":66,"score_weather":null,"transit_alt":87.3,"transit_local":"16:35","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.75,"best_label":"good","best_window":"18:35\u201322:20","dark_hours":11.37,"date":"2028-12-03","moon_free_dark_hours":0.0,"moon_illumination":96,"moon_separation":102.5,"score":null,"score_astronomy":77,"score_weather":null,"transit_alt":87.3,"transit_local":"16:30","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.83,"best_label":"good","best_window":"18:35\u201322:25","dark_hours":11.39,"date":"2028-12-04","moon_free_dark_hours":0.67,"moon_illumination":91,"moon_separation":110.0,"score":null,"score_astronomy":98,"score_weather":null,"transit_alt":87.3,"transit_local":"16:25","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.92,"best_label":"good","best_window":"18:35\u201322:30","dark_hours":11.4,"date":"2028-12-05","moon_free_dark_hours":1.83,"moon_illumination":84,"moon_separation":116.6,"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":3.92,"best_label":"good","best_window":"18:35\u201322:30","dark_hours":11.41,"date":"2028-12-06","moon_free_dark_hours":3.02,"moon_illumination":75,"moon_separation":122.1,"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":4.0,"best_label":"good","best_window":"18:35\u201322:35","dark_hours":11.43,"date":"2028-12-07","moon_free_dark_hours":4.22,"moon_illumination":65,"moon_separation":125.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"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":"2028-12-08","moon_free_dark_hours":5.42,"moon_illumination":54,"moon_separation":127.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"16:10","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.83,"best_label":"good","best_window":"18:35\u201322:25","dark_hours":11.45,"date":"2028-12-09","moon_free_dark_hours":6.62,"moon_illumination":42,"moon_separation":125.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"16:05","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.75,"best_label":"good","best_window":"18:35\u201322:20","dark_hours":11.46,"date":"2028-12-10","moon_free_dark_hours":7.83,"moon_illumination":31,"moon_separation":122.0,"score":null,"score_astronomy":99,"score_weather":null,"transit_alt":87.3,"transit_local":"16:00","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.67,"best_label":"good","best_window":"18:35\u201322:15","dark_hours":11.47,"date":"2028-12-11","moon_free_dark_hours":9.07,"moon_illumination":21,"moon_separation":116.3,"score":null,"score_astronomy":97,"score_weather":null,"transit_alt":87.3,"transit_local":"16:00","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.67,"best_label":"good","best_window":"18:35\u201322:15","dark_hours":11.48,"date":"2028-12-12","moon_free_dark_hours":10.33,"moon_illumination":12,"moon_separation":109.2,"score":null,"score_astronomy":96,"score_weather":null,"transit_alt":87.3,"transit_local":"15:55","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.58,"best_label":"good","best_window":"18:35\u201322:10","dark_hours":11.48,"date":"2028-12-13","moon_free_dark_hours":11.47,"moon_illumination":6,"moon_separation":101.3,"score":null,"score_astronomy":94,"score_weather":null,"transit_alt":87.3,"transit_local":"15:50","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.5,"best_label":"good","best_window":"18:35\u201322:05","dark_hours":11.49,"date":"2028-12-14","moon_free_dark_hours":11.47,"moon_illumination":2,"moon_separation":93.0,"score":null,"score_astronomy":92,"score_weather":null,"transit_alt":87.3,"transit_local":"15:45","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.42,"best_label":"good","best_window":"18:35\u201322:00","dark_hours":11.49,"date":"2028-12-15","moon_free_dark_hours":11.48,"moon_illumination":0,"moon_separation":84.7,"score":null,"score_astronomy":90,"score_weather":null,"transit_alt":87.3,"transit_local":"15:40","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.42,"best_label":"good","best_window":"18:35\u201322:00","dark_hours":11.5,"date":"2028-12-16","moon_free_dark_hours":11.48,"moon_illumination":1,"moon_separation":76.7,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":87.3,"transit_local":"15:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.33,"best_label":"good","best_window":"18:35\u201321:55","dark_hours":11.5,"date":"2028-12-17","moon_free_dark_hours":11.48,"moon_illumination":4,"moon_separation":69.4,"score":null,"score_astronomy":86,"score_weather":null,"transit_alt":87.3,"transit_local":"15:35","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.25,"best_label":"good","best_window":"18:35\u201321:50","dark_hours":11.51,"date":"2028-12-18","moon_free_dark_hours":10.75,"moon_illumination":9,"moon_separation":63.1,"score":null,"score_astronomy":81,"score_weather":null,"transit_alt":87.3,"transit_local":"15:30","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.17,"best_label":"good","best_window":"18:35\u201321:45","dark_hours":11.51,"date":"2028-12-19","moon_free_dark_hours":9.65,"moon_illumination":15,"moon_separation":58.1,"score":null,"score_astronomy":75,"score_weather":null,"transit_alt":87.3,"transit_local":"15:25","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.08,"best_label":"good","best_window":"18:35\u201321:40","dark_hours":11.51,"date":"2028-12-20","moon_free_dark_hours":8.62,"moon_illumination":23,"moon_separation":54.7,"score":null,"score_astronomy":65,"score_weather":null,"transit_alt":87.3,"transit_local":"15:20","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.83,"best_label":"good","best_window":"18:35\u201321:25","dark_hours":11.51,"date":"2028-12-21","moon_free_dark_hours":7.6,"moon_illumination":32,"moon_separation":53.1,"score":null,"score_astronomy":56,"score_weather":null,"transit_alt":87.3,"transit_local":"15:20","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":"2028-11-22","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}}