{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":2.92,"best_label":"marginal","best_window":"18:40\u201321:35","dark_hours":11.49,"date":"2028-12-27","moon_free_dark_hours":1.57,"moon_illumination":85,"moon_separation":76.8,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":87.3,"transit_local":"14:55","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.33,"best_label":"good","best_window":"18:40\u201319:00","dark_hours":11.48,"date":"2028-12-28","moon_free_dark_hours":0.53,"moon_illumination":92,"moon_separation":84.2,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":87.3,"transit_local":"14:50","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.92,"best_label":"good","best_window":"18:40\u201319:35","dark_hours":11.47,"date":"2028-12-29","moon_free_dark_hours":0.0,"moon_illumination":96,"moon_separation":92.0,"score":null,"score_astronomy":30,"score_weather":null,"transit_alt":87.3,"transit_local":"14:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.67,"best_label":"good","best_window":"18:40\u201320:20","dark_hours":11.47,"date":"2028-12-30","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":99.9,"score":null,"score_astronomy":35,"score_weather":null,"transit_alt":87.3,"transit_local":"14:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.83,"best_label":"good","best_window":"18:45\u201320:35","dark_hours":11.46,"date":"2028-12-31","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":107.6,"score":null,"score_astronomy":38,"score_weather":null,"transit_alt":87.3,"transit_local":"14:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.92,"best_label":"good","best_window":"18:45\u201320:40","dark_hours":11.45,"date":"2029-01-01","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":114.8,"score":null,"score_astronomy":43,"score_weather":null,"transit_alt":87.3,"transit_local":"14:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.92,"best_label":"good","best_window":"18:45\u201320:40","dark_hours":11.44,"date":"2029-01-02","moon_free_dark_hours":0.6,"moon_illumination":94,"moon_separation":120.8,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":87.3,"transit_local":"14:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.92,"best_label":"good","best_window":"18:45\u201320:40","dark_hours":11.42,"date":"2029-01-03","moon_free_dark_hours":1.82,"moon_illumination":87,"moon_separation":125.0,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":87.3,"transit_local":"14:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.0,"best_label":"good","best_window":"18:45\u201320:45","dark_hours":11.41,"date":"2029-01-04","moon_free_dark_hours":3.03,"moon_illumination":78,"moon_separation":126.9,"score":null,"score_astronomy":49,"score_weather":null,"transit_alt":87.3,"transit_local":"14:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.92,"best_label":"good","best_window":"18:45\u201320:40","dark_hours":11.4,"date":"2029-01-05","moon_free_dark_hours":4.23,"moon_illumination":68,"moon_separation":126.2,"score":null,"score_astronomy":47,"score_weather":null,"transit_alt":87.3,"transit_local":"14:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.75,"best_label":"good","best_window":"18:50\u201320:35","dark_hours":11.38,"date":"2029-01-06","moon_free_dark_hours":5.43,"moon_illumination":57,"moon_separation":123.0,"score":null,"score_astronomy":44,"score_weather":null,"transit_alt":87.3,"transit_local":"14:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.67,"best_label":"good","best_window":"18:50\u201320:30","dark_hours":11.37,"date":"2029-01-07","moon_free_dark_hours":6.63,"moon_illumination":46,"moon_separation":117.8,"score":null,"score_astronomy":43,"score_weather":null,"transit_alt":87.3,"transit_local":"14:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.58,"best_label":"good","best_window":"18:50\u201320:25","dark_hours":11.35,"date":"2029-01-08","moon_free_dark_hours":7.85,"moon_illumination":35,"moon_separation":111.1,"score":null,"score_astronomy":41,"score_weather":null,"transit_alt":87.3,"transit_local":"14:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.58,"best_label":"good","best_window":"18:50\u201320:25","dark_hours":11.34,"date":"2029-01-09","moon_free_dark_hours":9.03,"moon_illumination":24,"moon_separation":103.5,"score":null,"score_astronomy":40,"score_weather":null,"transit_alt":87.3,"transit_local":"14:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.5,"best_label":"good","best_window":"18:50\u201320:20","dark_hours":11.32,"date":"2029-01-10","moon_free_dark_hours":10.15,"moon_illumination":16,"moon_separation":95.4,"score":null,"score_astronomy":38,"score_weather":null,"transit_alt":87.3,"transit_local":"14:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.33,"best_label":"good","best_window":"18:55\u201320:15","dark_hours":11.3,"date":"2029-01-11","moon_free_dark_hours":11.15,"moon_illumination":8,"moon_separation":87.3,"score":null,"score_astronomy":36,"score_weather":null,"transit_alt":87.3,"transit_local":"13:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.25,"best_label":"good","best_window":"18:55\u201320:10","dark_hours":11.28,"date":"2029-01-12","moon_free_dark_hours":11.25,"moon_illumination":4,"moon_separation":79.3,"score":null,"score_astronomy":34,"score_weather":null,"transit_alt":87.3,"transit_local":"13:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.25,"best_label":"good","best_window":"18:55\u201320:10","dark_hours":11.26,"date":"2029-01-13","moon_free_dark_hours":11.23,"moon_illumination":1,"moon_separation":71.9,"score":null,"score_astronomy":33,"score_weather":null,"transit_alt":87.3,"transit_local":"13:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.17,"best_label":"good","best_window":"18:55\u201320:05","dark_hours":11.24,"date":"2029-01-14","moon_free_dark_hours":11.23,"moon_illumination":0,"moon_separation":65.2,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":87.3,"transit_local":"13:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.08,"best_label":"good","best_window":"18:55\u201320:00","dark_hours":11.22,"date":"2029-01-15","moon_free_dark_hours":11.22,"moon_illumination":2,"moon_separation":59.7,"score":null,"score_astronomy":30,"score_weather":null,"transit_alt":87.3,"transit_local":"13:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.0,"best_label":"good","best_window":"18:55\u201319:55","dark_hours":11.2,"date":"2029-01-16","moon_free_dark_hours":10.9,"moon_illumination":5,"moon_separation":55.7,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":87.3,"transit_local":"13:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.83,"best_label":"good","best_window":"19:00\u201319:50","dark_hours":11.17,"date":"2029-01-17","moon_free_dark_hours":9.85,"moon_illumination":10,"moon_separation":53.4,"score":null,"score_astronomy":24,"score_weather":null,"transit_alt":87.3,"transit_local":"13:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.67,"best_label":"good","best_window":"19:00\u201319:40","dark_hours":11.15,"date":"2029-01-18","moon_free_dark_hours":8.85,"moon_illumination":17,"moon_separation":53.1,"score":null,"score_astronomy":22,"score_weather":null,"transit_alt":87.3,"transit_local":"13:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.5,"best_label":"good","best_window":"19:00\u201319:30","dark_hours":11.13,"date":"2029-01-19","moon_free_dark_hours":7.83,"moon_illumination":24,"moon_separation":54.5,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":87.3,"transit_local":"13:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.33,"best_label":"good","best_window":"19:00\u201319:20","dark_hours":11.1,"date":"2029-01-20","moon_free_dark_hours":6.85,"moon_illumination":33,"moon_separation":57.7,"score":null,"score_astronomy":16,"score_weather":null,"transit_alt":87.3,"transit_local":"13:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.08,"best_label":"good","best_window":"19:05\u201319:10","dark_hours":11.08,"date":"2029-01-21","moon_free_dark_hours":5.83,"moon_illumination":42,"moon_separation":62.2,"score":null,"score_astronomy":13,"score_weather":null,"transit_alt":87.3,"transit_local":"13:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.0,"best_label":"marginal","best_window":"19:05\u201320:05","dark_hours":11.05,"date":"2029-01-22","moon_free_dark_hours":4.82,"moon_illumination":51,"moon_separation":67.8,"score":null,"score_astronomy":11,"score_weather":null,"transit_alt":87.3,"transit_local":"13:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.92,"best_label":"marginal","best_window":"19:05\u201320:00","dark_hours":11.02,"date":"2029-01-23","moon_free_dark_hours":3.77,"moon_illumination":61,"moon_separation":74.2,"score":null,"score_astronomy":10,"score_weather":null,"transit_alt":87.3,"transit_local":"13:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.83,"best_label":"marginal","best_window":"19:05\u201319:55","dark_hours":10.99,"date":"2029-01-24","moon_free_dark_hours":2.72,"moon_illumination":70,"moon_separation":81.3,"score":null,"score_astronomy":9,"score_weather":null,"transit_alt":87.3,"transit_local":"13:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.75,"best_label":"marginal","best_window":"19:05\u201319:50","dark_hours":10.96,"date":"2029-01-25","moon_free_dark_hours":1.73,"moon_illumination":79,"moon_separation":88.9,"score":null,"score_astronomy":9,"score_weather":null,"transit_alt":87.3,"transit_local":"13:00","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":"2028-12-27","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}}
