{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":1.08,"best_label":"good","best_window":"05:00\u201306:05","dark_hours":10.89,"date":"2035-01-28","moon_free_dark_hours":3.72,"moon_illumination":72,"moon_separation":89.0,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":87.1,"transit_local":"10:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.08,"best_label":"good","best_window":"04:55\u201306:00","dark_hours":10.86,"date":"2035-01-29","moon_free_dark_hours":4.7,"moon_illumination":63,"moon_separation":82.3,"score":null,"score_astronomy":24,"score_weather":null,"transit_alt":87.1,"transit_local":"10:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.25,"best_label":"good","best_window":"04:45\u201306:00","dark_hours":10.83,"date":"2035-01-30","moon_free_dark_hours":5.65,"moon_illumination":53,"moon_separation":76.1,"score":null,"score_astronomy":27,"score_weather":null,"transit_alt":87.1,"transit_local":"10:20","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.42,"best_label":"good","best_window":"04:35\u201306:00","dark_hours":10.8,"date":"2035-01-31","moon_free_dark_hours":6.58,"moon_illumination":44,"moon_separation":70.3,"score":null,"score_astronomy":29,"score_weather":null,"transit_alt":87.1,"transit_local":"10:15","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.5,"best_label":"good","best_window":"04:30\u201306:00","dark_hours":10.76,"date":"2035-02-01","moon_free_dark_hours":7.5,"moon_illumination":34,"moon_separation":65.4,"score":null,"score_astronomy":33,"score_weather":null,"transit_alt":87.1,"transit_local":"10:10","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.67,"best_label":"good","best_window":"04:20\u201306:00","dark_hours":10.73,"date":"2035-02-02","moon_free_dark_hours":8.37,"moon_illumination":26,"moon_separation":61.4,"score":null,"score_astronomy":37,"score_weather":null,"transit_alt":87.1,"transit_local":"10:05","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.83,"best_label":"good","best_window":"04:10\u201306:00","dark_hours":10.7,"date":"2035-02-03","moon_free_dark_hours":9.2,"moon_illumination":18,"moon_separation":58.6,"score":null,"score_astronomy":42,"score_weather":null,"transit_alt":87.1,"transit_local":"10:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.83,"best_label":"good","best_window":"04:05\u201305:55","dark_hours":10.66,"date":"2035-02-04","moon_free_dark_hours":10.0,"moon_illumination":11,"moon_separation":57.2,"score":null,"score_astronomy":45,"score_weather":null,"transit_alt":87.1,"transit_local":"10:00","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.92,"best_label":"good","best_window":"04:00\u201305:55","dark_hours":10.63,"date":"2035-02-05","moon_free_dark_hours":10.62,"moon_illumination":6,"moon_separation":57.5,"score":null,"score_astronomy":48,"score_weather":null,"transit_alt":87.1,"transit_local":"09:55","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.0,"best_label":"good","best_window":"03:55\u201305:55","dark_hours":10.59,"date":"2035-02-06","moon_free_dark_hours":10.57,"moon_illumination":2,"moon_separation":59.4,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":87.1,"transit_local":"09:50","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.08,"best_label":"good","best_window":"03:50\u201305:55","dark_hours":10.56,"date":"2035-02-07","moon_free_dark_hours":10.53,"moon_illumination":0,"moon_separation":62.9,"score":null,"score_astronomy":51,"score_weather":null,"transit_alt":87.1,"transit_local":"09:45","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.08,"best_label":"good","best_window":"03:50\u201305:55","dark_hours":10.52,"date":"2035-02-08","moon_free_dark_hours":10.5,"moon_illumination":0,"moon_separation":67.8,"score":null,"score_astronomy":53,"score_weather":null,"transit_alt":87.1,"transit_local":"09:40","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.08,"best_label":"good","best_window":"03:45\u201305:50","dark_hours":10.48,"date":"2035-02-09","moon_free_dark_hours":10.47,"moon_illumination":3,"moon_separation":73.7,"score":null,"score_astronomy":53,"score_weather":null,"transit_alt":87.1,"transit_local":"09:40","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.17,"best_label":"good","best_window":"03:40\u201305:50","dark_hours":10.45,"date":"2035-02-10","moon_free_dark_hours":9.72,"moon_illumination":7,"moon_separation":80.4,"score":null,"score_astronomy":54,"score_weather":null,"transit_alt":87.1,"transit_local":"09:35","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.25,"best_label":"good","best_window":"03:35\u201305:50","dark_hours":10.41,"date":"2035-02-11","moon_free_dark_hours":8.62,"moon_illumination":14,"moon_separation":87.6,"score":null,"score_astronomy":55,"score_weather":null,"transit_alt":87.1,"transit_local":"09:30","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":2.33,"best_label":"good","best_window":"03:30\u201305:50","dark_hours":10.37,"date":"2035-02-12","moon_free_dark_hours":7.5,"moon_illumination":22,"moon_separation":95.0,"score":null,"score_astronomy":57,"score_weather":null,"transit_alt":87.1,"transit_local":"09:25","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.25,"best_label":"good","best_window":"03:30\u201305:45","dark_hours":10.33,"date":"2035-02-13","moon_free_dark_hours":6.35,"moon_illumination":32,"moon_separation":102.3,"score":null,"score_astronomy":58,"score_weather":null,"transit_alt":87.1,"transit_local":"09:25","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.33,"best_label":"good","best_window":"03:25\u201305:45","dark_hours":10.29,"date":"2035-02-14","moon_free_dark_hours":5.22,"moon_illumination":43,"moon_separation":109.1,"score":null,"score_astronomy":59,"score_weather":null,"transit_alt":87.1,"transit_local":"09:20","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.42,"best_label":"good","best_window":"03:20\u201305:45","dark_hours":10.25,"date":"2035-02-15","moon_free_dark_hours":4.08,"moon_illumination":54,"moon_separation":115.0,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":87.1,"transit_local":"09:15","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.5,"best_label":"good","best_window":"03:15\u201305:45","dark_hours":10.21,"date":"2035-02-16","moon_free_dark_hours":2.98,"moon_illumination":66,"moon_separation":119.6,"score":null,"score_astronomy":62,"score_weather":null,"transit_alt":87.1,"transit_local":"09:10","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.33,"best_label":"good","best_window":"03:20\u201305:40","dark_hours":10.17,"date":"2035-02-17","moon_free_dark_hours":1.92,"moon_illumination":76,"moon_separation":122.3,"score":null,"score_astronomy":61,"score_weather":null,"transit_alt":87.1,"transit_local":"09:05","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.42,"best_label":"good","best_window":"03:15\u201305:40","dark_hours":10.13,"date":"2035-02-18","moon_free_dark_hours":0.97,"moon_illumination":85,"moon_separation":122.8,"score":null,"score_astronomy":61,"score_weather":null,"transit_alt":87.1,"transit_local":"09:05","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":2.42,"best_label":"good","best_window":"03:15\u201305:40","dark_hours":10.09,"date":"2035-02-19","moon_free_dark_hours":0.1,"moon_illumination":92,"moon_separation":121.0,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":87.1,"transit_local":"09:00","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.42,"best_label":"good","best_window":"03:15\u201305:40","dark_hours":10.05,"date":"2035-02-20","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":117.3,"score":null,"score_astronomy":53,"score_weather":null,"transit_alt":87.1,"transit_local":"08:55","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.33,"best_label":"good","best_window":"03:15\u201305:35","dark_hours":10.01,"date":"2035-02-21","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":111.9,"score":null,"score_astronomy":49,"score_weather":null,"transit_alt":87.1,"transit_local":"08:50","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.25,"best_label":"good","best_window":"03:20\u201305:35","dark_hours":9.96,"date":"2035-02-22","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":105.6,"score":null,"score_astronomy":45,"score_weather":null,"transit_alt":87.1,"transit_local":"08:45","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.08,"best_label":"good","best_window":"03:30\u201305:35","dark_hours":9.92,"date":"2035-02-23","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":98.7,"score":null,"score_astronomy":42,"score_weather":null,"transit_alt":87.1,"transit_local":"08:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.83,"best_label":"good","best_window":"03:45\u201305:35","dark_hours":9.88,"date":"2035-02-24","moon_free_dark_hours":0.93,"moon_illumination":92,"moon_separation":91.7,"score":null,"score_astronomy":39,"score_weather":null,"transit_alt":87.1,"transit_local":"08:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.58,"best_label":"good","best_window":"03:55\u201305:30","dark_hours":9.83,"date":"2035-02-25","moon_free_dark_hours":1.95,"moon_illumination":86,"moon_separation":84.8,"score":null,"score_astronomy":37,"score_weather":null,"transit_alt":87.1,"transit_local":"08:35","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.67,"best_label":"good","best_window":"03:50\u201305:30","dark_hours":9.79,"date":"2035-02-26","moon_free_dark_hours":2.93,"moon_illumination":79,"moon_separation":78.2,"score":null,"score_astronomy":38,"score_weather":null,"transit_alt":87.1,"transit_local":"08:30","verdict":"unknown","weather_source":"none","weekday":"Mon"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2035-01-28","target":{"common_name":"Vega","dec":38.78368896,"name":"* alf Lyr","ra":279.23473479,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=Vega","source":"sesame","spectral_type":"A0V","type":"dS*","type_text":"delta Scuti variable","vmag":0.03}}