{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":0.17,"best_label":"good","best_window":"06:00\u201306:10","dark_hours":11.4,"date":"2033-01-05","moon_free_dark_hours":8.07,"moon_illumination":26,"moon_separation":74.0,"score":null,"score_astronomy":12,"score_weather":null,"transit_alt":87.1,"transit_local":"11:55","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.25,"best_label":"good","best_window":"05:55\u201306:10","dark_hours":11.38,"date":"2033-01-06","moon_free_dark_hours":6.9,"moon_illumination":36,"moon_separation":81.4,"score":null,"score_astronomy":13,"score_weather":null,"transit_alt":87.1,"transit_local":"11:50","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.33,"best_label":"good","best_window":"05:50\u201306:10","dark_hours":11.37,"date":"2033-01-07","moon_free_dark_hours":5.75,"moon_illumination":48,"moon_separation":89.0,"score":null,"score_astronomy":14,"score_weather":null,"transit_alt":87.1,"transit_local":"11:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.33,"best_label":"good","best_window":"05:50\u201306:10","dark_hours":11.35,"date":"2033-01-08","moon_free_dark_hours":4.62,"moon_illumination":59,"moon_separation":96.6,"score":null,"score_astronomy":16,"score_weather":null,"transit_alt":87.1,"transit_local":"11:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.42,"best_label":"good","best_window":"05:45\u201306:10","dark_hours":11.34,"date":"2033-01-09","moon_free_dark_hours":3.52,"moon_illumination":69,"moon_separation":103.8,"score":null,"score_astronomy":17,"score_weather":null,"transit_alt":87.1,"transit_local":"11:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.5,"best_label":"good","best_window":"05:40\u201306:10","dark_hours":11.32,"date":"2033-01-10","moon_free_dark_hours":2.47,"moon_illumination":79,"moon_separation":110.3,"score":null,"score_astronomy":18,"score_weather":null,"transit_alt":87.1,"transit_local":"11:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.58,"best_label":"good","best_window":"05:35\u201306:10","dark_hours":11.3,"date":"2033-01-11","moon_free_dark_hours":1.47,"moon_illumination":87,"moon_separation":115.8,"score":null,"score_astronomy":20,"score_weather":null,"transit_alt":87.1,"transit_local":"11:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.5,"best_label":"good","best_window":"05:40\u201306:10","dark_hours":11.28,"date":"2033-01-12","moon_free_dark_hours":0.53,"moon_illumination":93,"moon_separation":119.9,"score":null,"score_astronomy":21,"score_weather":null,"transit_alt":87.1,"transit_local":"11:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.58,"best_label":"good","best_window":"05:35\u201306:10","dark_hours":11.26,"date":"2033-01-13","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":122.4,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":87.1,"transit_local":"11:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.58,"best_label":"good","best_window":"05:35\u201306:10","dark_hours":11.24,"date":"2033-01-14","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":123.2,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":87.1,"transit_local":"11:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.67,"best_label":"good","best_window":"05:30\u201306:10","dark_hours":11.22,"date":"2033-01-15","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":122.1,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":87.1,"transit_local":"11:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.67,"best_label":"good","best_window":"05:30\u201306:10","dark_hours":11.2,"date":"2033-01-16","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":119.5,"score":null,"score_astronomy":20,"score_weather":null,"transit_alt":87.1,"transit_local":"11:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.67,"best_label":"good","best_window":"05:30\u201306:10","dark_hours":11.17,"date":"2033-01-17","moon_free_dark_hours":0.63,"moon_illumination":94,"moon_separation":115.5,"score":null,"score_astronomy":20,"score_weather":null,"transit_alt":87.1,"transit_local":"11:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.75,"best_label":"good","best_window":"05:25\u201306:10","dark_hours":11.15,"date":"2033-01-18","moon_free_dark_hours":1.58,"moon_illumination":89,"moon_separation":110.5,"score":null,"score_astronomy":20,"score_weather":null,"transit_alt":87.1,"transit_local":"11:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.75,"best_label":"good","best_window":"05:25\u201306:10","dark_hours":11.12,"date":"2033-01-19","moon_free_dark_hours":2.52,"moon_illumination":83,"moon_separation":104.8,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":87.1,"transit_local":"11:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.75,"best_label":"good","best_window":"05:25\u201306:10","dark_hours":11.1,"date":"2033-01-20","moon_free_dark_hours":3.43,"moon_illumination":75,"moon_separation":98.7,"score":null,"score_astronomy":20,"score_weather":null,"transit_alt":87.1,"transit_local":"10:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.75,"best_label":"good","best_window":"05:20\u201306:05","dark_hours":11.07,"date":"2033-01-21","moon_free_dark_hours":4.37,"moon_illumination":67,"moon_separation":92.3,"score":null,"score_astronomy":20,"score_weather":null,"transit_alt":87.1,"transit_local":"10:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.83,"best_label":"good","best_window":"05:15\u201306:05","dark_hours":11.05,"date":"2033-01-22","moon_free_dark_hours":5.3,"moon_illumination":58,"moon_separation":85.8,"score":null,"score_astronomy":21,"score_weather":null,"transit_alt":87.1,"transit_local":"10:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.0,"best_label":"good","best_window":"05:05\u201306:05","dark_hours":11.02,"date":"2033-01-23","moon_free_dark_hours":6.25,"moon_illumination":48,"moon_separation":79.3,"score":null,"score_astronomy":24,"score_weather":null,"transit_alt":87.1,"transit_local":"10:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.08,"best_label":"good","best_window":"05:00\u201306:05","dark_hours":10.99,"date":"2033-01-24","moon_free_dark_hours":7.22,"moon_illumination":38,"moon_separation":73.0,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":87.1,"transit_local":"10:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.25,"best_label":"good","best_window":"04:50\u201306:05","dark_hours":10.96,"date":"2033-01-25","moon_free_dark_hours":8.18,"moon_illumination":29,"moon_separation":67.2,"score":null,"score_astronomy":29,"score_weather":null,"transit_alt":87.1,"transit_local":"10:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.33,"best_label":"good","best_window":"04:45\u201306:05","dark_hours":10.93,"date":"2033-01-26","moon_free_dark_hours":9.15,"moon_illumination":20,"moon_separation":62.3,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":87.1,"transit_local":"10:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.5,"best_label":"good","best_window":"04:35\u201306:05","dark_hours":10.91,"date":"2033-01-27","moon_free_dark_hours":10.07,"moon_illumination":12,"moon_separation":58.6,"score":null,"score_astronomy":36,"score_weather":null,"transit_alt":87.1,"transit_local":"10:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.58,"best_label":"good","best_window":"04:30\u201306:05","dark_hours":10.87,"date":"2033-01-28","moon_free_dark_hours":10.87,"moon_illumination":6,"moon_separation":56.9,"score":null,"score_astronomy":40,"score_weather":null,"transit_alt":87.1,"transit_local":"10:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.58,"best_label":"good","best_window":"04:25\u201306:00","dark_hours":10.84,"date":"2033-01-29","moon_free_dark_hours":10.83,"moon_illumination":2,"moon_separation":57.4,"score":null,"score_astronomy":40,"score_weather":null,"transit_alt":87.1,"transit_local":"10:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.67,"best_label":"good","best_window":"04:20\u201306:00","dark_hours":10.81,"date":"2033-01-30","moon_free_dark_hours":10.8,"moon_illumination":0,"moon_separation":60.2,"score":null,"score_astronomy":42,"score_weather":null,"transit_alt":87.1,"transit_local":"10:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.75,"best_label":"good","best_window":"04:15\u201306:00","dark_hours":10.78,"date":"2033-01-31","moon_free_dark_hours":10.77,"moon_illumination":2,"moon_separation":65.2,"score":null,"score_astronomy":43,"score_weather":null,"transit_alt":87.1,"transit_local":"10:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.75,"best_label":"good","best_window":"04:15\u201306:00","dark_hours":10.75,"date":"2033-02-01","moon_free_dark_hours":10.18,"moon_illumination":6,"moon_separation":71.7,"score":null,"score_astronomy":44,"score_weather":null,"transit_alt":87.1,"transit_local":"10:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.83,"best_label":"good","best_window":"04:10\u201306:00","dark_hours":10.71,"date":"2033-02-02","moon_free_dark_hours":8.95,"moon_illumination":13,"moon_separation":79.2,"score":null,"score_astronomy":45,"score_weather":null,"transit_alt":87.1,"transit_local":"10:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.92,"best_label":"good","best_window":"04:05\u201306:00","dark_hours":10.68,"date":"2033-02-03","moon_free_dark_hours":7.73,"moon_illumination":22,"moon_separation":87.1,"score":null,"score_astronomy":47,"score_weather":null,"transit_alt":87.1,"transit_local":"10:00","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":"2033-01-05","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}}