{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":0.83,"best_label":"good","best_window":"05:20\u201306:10","dark_hours":11.23,"date":"2035-01-15","moon_free_dark_hours":6.83,"moon_illumination":36,"moon_separation":89.2,"score":null,"score_astronomy":24,"score_weather":null,"transit_alt":87.1,"transit_local":"11:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.83,"best_label":"good","best_window":"05:20\u201306:10","dark_hours":11.21,"date":"2035-01-16","moon_free_dark_hours":5.72,"moon_illumination":47,"moon_separation":96.5,"score":null,"score_astronomy":25,"score_weather":null,"transit_alt":87.1,"transit_local":"11:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.92,"best_label":"good","best_window":"05:15\u201306:10","dark_hours":11.18,"date":"2035-01-17","moon_free_dark_hours":4.58,"moon_illumination":58,"moon_separation":103.8,"score":null,"score_astronomy":25,"score_weather":null,"transit_alt":87.1,"transit_local":"11:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.0,"best_label":"good","best_window":"05:10\u201306:10","dark_hours":11.16,"date":"2035-01-18","moon_free_dark_hours":3.45,"moon_illumination":69,"moon_separation":110.5,"score":null,"score_astronomy":27,"score_weather":null,"transit_alt":87.1,"transit_local":"11:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.08,"best_label":"good","best_window":"05:05\u201306:10","dark_hours":11.14,"date":"2035-01-19","moon_free_dark_hours":2.28,"moon_illumination":80,"moon_separation":116.3,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":87.1,"transit_local":"11:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.08,"best_label":"good","best_window":"05:05\u201306:10","dark_hours":11.11,"date":"2035-01-20","moon_free_dark_hours":1.18,"moon_illumination":88,"moon_separation":120.5,"score":null,"score_astronomy":30,"score_weather":null,"transit_alt":87.1,"transit_local":"10:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.92,"best_label":"good","best_window":"05:10\u201306:05","dark_hours":11.09,"date":"2035-01-21","moon_free_dark_hours":0.13,"moon_illumination":95,"moon_separation":122.6,"score":null,"score_astronomy":29,"score_weather":null,"transit_alt":87.1,"transit_local":"10:55","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.0,"best_label":"good","best_window":"05:05\u201306:05","dark_hours":11.06,"date":"2035-01-22","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":122.3,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":87.1,"transit_local":"10:50","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.0,"best_label":"good","best_window":"05:05\u201306:05","dark_hours":11.03,"date":"2035-01-23","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":119.8,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":87.1,"transit_local":"10:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.0,"best_label":"good","best_window":"05:05\u201306:05","dark_hours":11.01,"date":"2035-01-24","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":115.2,"score":null,"score_astronomy":25,"score_weather":null,"transit_alt":87.1,"transit_local":"10:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.0,"best_label":"good","best_window":"05:05\u201306:05","dark_hours":10.98,"date":"2035-01-25","moon_free_dark_hours":0.58,"moon_illumination":94,"moon_separation":109.4,"score":null,"score_astronomy":24,"score_weather":null,"transit_alt":87.1,"transit_local":"10:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.0,"best_label":"good","best_window":"05:05\u201306:05","dark_hours":10.95,"date":"2035-01-26","moon_free_dark_hours":1.68,"moon_illumination":88,"moon_separation":102.8,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":87.1,"transit_local":"10:35","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.08,"best_label":"good","best_window":"05:00\u201306:05","dark_hours":10.92,"date":"2035-01-27","moon_free_dark_hours":2.72,"moon_illumination":81,"moon_separation":95.9,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":87.1,"transit_local":"10:30","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"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"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2035-01-15","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}}