{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":0.25,"best_label":"good","best_window":"19:05\u201319:20","dark_hours":10.97,"date":"2046-01-25","moon_free_dark_hours":2.38,"moon_illumination":84,"moon_separation":124.8,"score":null,"score_astronomy":15,"score_weather":null,"transit_alt":87.2,"transit_local":"13:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.17,"best_label":"good","best_window":"19:10\u201319:20","dark_hours":10.94,"date":"2046-01-26","moon_free_dark_hours":3.63,"moon_illumination":74,"moon_separation":122.3,"score":null,"score_astronomy":13,"score_weather":null,"transit_alt":87.2,"transit_local":"13:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.08,"best_label":"good","best_window":"19:10\u201319:15","dark_hours":10.91,"date":"2046-01-27","moon_free_dark_hours":4.87,"moon_illumination":64,"moon_separation":117.7,"score":null,"score_astronomy":13,"score_weather":null,"transit_alt":87.2,"transit_local":"12:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.17,"best_label":"marginal","best_window":"18:35\u201319:45","dark_hours":10.88,"date":"2046-01-28","moon_free_dark_hours":6.08,"moon_illumination":53,"moon_separation":111.8,"score":null,"score_astronomy":12,"score_weather":null,"transit_alt":87.3,"transit_local":"12:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.5,"best_label":"marginal","best_window":"19:10\u201319:40","dark_hours":10.85,"date":"2046-01-29","moon_free_dark_hours":7.28,"moon_illumination":42,"moon_separation":105.0,"score":null,"score_astronomy":11,"score_weather":null,"transit_alt":87.2,"transit_local":"12:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.42,"best_label":"marginal","best_window":"19:10\u201319:35","dark_hours":10.82,"date":"2046-01-30","moon_free_dark_hours":8.42,"moon_illumination":32,"moon_separation":97.7,"score":null,"score_astronomy":10,"score_weather":null,"transit_alt":87.2,"transit_local":"12:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.33,"best_label":"marginal","best_window":"19:15\u201319:35","dark_hours":10.79,"date":"2046-01-31","moon_free_dark_hours":9.43,"moon_illumination":22,"moon_separation":90.4,"score":null,"score_astronomy":9,"score_weather":null,"transit_alt":87.2,"transit_local":"12:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.33,"best_label":"marginal","best_window":"05:40\u201306:00","dark_hours":10.75,"date":"2046-02-01","moon_free_dark_hours":10.3,"moon_illumination":15,"moon_separation":83.1,"score":null,"score_astronomy":8,"score_weather":null,"transit_alt":87.3,"transit_local":"12:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.42,"best_label":"marginal","best_window":"05:35\u201306:00","dark_hours":10.72,"date":"2046-02-02","moon_free_dark_hours":10.72,"moon_illumination":8,"moon_separation":76.3,"score":null,"score_astronomy":9,"score_weather":null,"transit_alt":87.3,"transit_local":"12:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.42,"best_label":"marginal","best_window":"05:35\u201306:00","dark_hours":10.69,"date":"2046-02-03","moon_free_dark_hours":10.67,"moon_illumination":4,"moon_separation":69.9,"score":null,"score_astronomy":9,"score_weather":null,"transit_alt":87.2,"transit_local":"12:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.42,"best_label":"marginal","best_window":"05:30\u201305:55","dark_hours":10.65,"date":"2046-02-04","moon_free_dark_hours":10.63,"moon_illumination":1,"moon_separation":64.4,"score":null,"score_astronomy":9,"score_weather":null,"transit_alt":87.2,"transit_local":"12:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.5,"best_label":"marginal","best_window":"05:25\u201305:55","dark_hours":10.62,"date":"2046-02-05","moon_free_dark_hours":10.6,"moon_illumination":0,"moon_separation":59.8,"score":null,"score_astronomy":9,"score_weather":null,"transit_alt":87.2,"transit_local":"12:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.08,"best_label":"marginal","best_window":"05:20\u201306:25","dark_hours":10.58,"date":"2046-02-06","moon_free_dark_hours":10.57,"moon_illumination":1,"moon_separation":56.7,"score":null,"score_astronomy":10,"score_weather":null,"transit_alt":87.3,"transit_local":"12:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.08,"best_label":"good","best_window":"05:50\u201305:55","dark_hours":10.54,"date":"2046-02-07","moon_free_dark_hours":10.53,"moon_illumination":4,"moon_separation":55.0,"score":null,"score_astronomy":10,"score_weather":null,"transit_alt":87.3,"transit_local":"12:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.08,"best_label":"good","best_window":"05:50\u201305:55","dark_hours":10.51,"date":"2046-02-08","moon_free_dark_hours":9.57,"moon_illumination":8,"moon_separation":55.1,"score":null,"score_astronomy":11,"score_weather":null,"transit_alt":87.2,"transit_local":"12:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.08,"best_label":"good","best_window":"05:45\u201305:50","dark_hours":10.47,"date":"2046-02-09","moon_free_dark_hours":8.55,"moon_illumination":14,"moon_separation":56.8,"score":null,"score_astronomy":11,"score_weather":null,"transit_alt":87.2,"transit_local":"12:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.17,"best_label":"good","best_window":"05:40\u201305:50","dark_hours":10.43,"date":"2046-02-10","moon_free_dark_hours":7.52,"moon_illumination":21,"moon_separation":60.1,"score":null,"score_astronomy":12,"score_weather":null,"transit_alt":87.3,"transit_local":"11:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.25,"best_label":"good","best_window":"05:35\u201305:50","dark_hours":10.4,"date":"2046-02-11","moon_free_dark_hours":6.45,"moon_illumination":29,"moon_separation":64.7,"score":null,"score_astronomy":12,"score_weather":null,"transit_alt":87.2,"transit_local":"11:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.33,"best_label":"good","best_window":"05:30\u201305:50","dark_hours":10.36,"date":"2046-02-12","moon_free_dark_hours":5.37,"moon_illumination":38,"moon_separation":70.3,"score":null,"score_astronomy":14,"score_weather":null,"transit_alt":87.2,"transit_local":"11:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.25,"best_label":"good","best_window":"05:30\u201305:45","dark_hours":10.32,"date":"2046-02-13","moon_free_dark_hours":4.25,"moon_illumination":48,"moon_separation":76.8,"score":null,"score_astronomy":13,"score_weather":null,"transit_alt":87.2,"transit_local":"11:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.33,"best_label":"good","best_window":"05:25\u201305:45","dark_hours":10.28,"date":"2046-02-14","moon_free_dark_hours":3.13,"moon_illumination":58,"moon_separation":84.0,"score":null,"score_astronomy":15,"score_weather":null,"transit_alt":87.3,"transit_local":"11:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.42,"best_label":"good","best_window":"05:20\u201305:45","dark_hours":10.24,"date":"2046-02-15","moon_free_dark_hours":2.07,"moon_illumination":68,"moon_separation":91.6,"score":null,"score_astronomy":16,"score_weather":null,"transit_alt":87.3,"transit_local":"11:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.5,"best_label":"good","best_window":"05:15\u201305:45","dark_hours":10.2,"date":"2046-02-16","moon_free_dark_hours":1.08,"moon_illumination":78,"moon_separation":99.4,"score":null,"score_astronomy":17,"score_weather":null,"transit_alt":87.2,"transit_local":"11:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.25,"best_label":"good","best_window":"05:25\u201305:40","dark_hours":10.16,"date":"2046-02-17","moon_free_dark_hours":0.27,"moon_illumination":87,"moon_separation":107.1,"score":null,"score_astronomy":16,"score_weather":null,"transit_alt":87.2,"transit_local":"11:30","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.33,"best_label":"good","best_window":"05:20\u201305:40","dark_hours":10.12,"date":"2046-02-18","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":114.2,"score":null,"score_astronomy":15,"score_weather":null,"transit_alt":87.2,"transit_local":"11:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.42,"best_label":"good","best_window":"05:15\u201305:40","dark_hours":10.08,"date":"2046-02-19","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":120.1,"score":null,"score_astronomy":16,"score_weather":null,"transit_alt":87.3,"transit_local":"11:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.42,"best_label":"good","best_window":"05:15\u201305:40","dark_hours":10.03,"date":"2046-02-20","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":123.9,"score":null,"score_astronomy":17,"score_weather":null,"transit_alt":87.3,"transit_local":"11:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.42,"best_label":"good","best_window":"05:10\u201305:35","dark_hours":9.99,"date":"2046-02-21","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":125.2,"score":null,"score_astronomy":17,"score_weather":null,"transit_alt":87.2,"transit_local":"11:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.5,"best_label":"good","best_window":"05:05\u201305:35","dark_hours":9.95,"date":"2046-02-22","moon_free_dark_hours":0.72,"moon_illumination":94,"moon_separation":123.6,"score":null,"score_astronomy":17,"score_weather":null,"transit_alt":87.2,"transit_local":"11:10","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.58,"best_label":"good","best_window":"05:00\u201305:35","dark_hours":9.91,"date":"2046-02-23","moon_free_dark_hours":2.0,"moon_illumination":87,"moon_separation":119.6,"score":null,"score_astronomy":18,"score_weather":null,"transit_alt":87.2,"transit_local":"11:05","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":"2046-01-25","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}}