{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":5.75,"best_label":"good","best_window":"21:45\u201303:30","dark_hours":7.37,"date":"2044-08-27","moon_free_dark_hours":7.22,"moon_illumination":27,"moon_separation":83.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"21:35","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.83,"best_label":"good","best_window":"21:40\u201303:30","dark_hours":7.42,"date":"2044-08-28","moon_free_dark_hours":6.78,"moon_illumination":36,"moon_separation":78.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"21:30","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.75,"best_label":"good","best_window":"21:40\u201303:25","dark_hours":7.48,"date":"2044-08-29","moon_free_dark_hours":6.27,"moon_illumination":46,"moon_separation":74.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"21:25","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.67,"best_label":"good","best_window":"21:40\u201303:20","dark_hours":7.54,"date":"2044-08-30","moon_free_dark_hours":5.63,"moon_illumination":55,"moon_separation":71.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"21:20","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.67,"best_label":"good","best_window":"21:35\u201303:15","dark_hours":7.59,"date":"2044-08-31","moon_free_dark_hours":4.88,"moon_illumination":64,"moon_separation":68.5,"score":null,"score_astronomy":97,"score_weather":null,"transit_alt":87.1,"transit_local":"21:15","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.67,"best_label":"good","best_window":"21:35\u201303:15","dark_hours":7.65,"date":"2044-09-01","moon_free_dark_hours":4.0,"moon_illumination":73,"moon_separation":66.7,"score":null,"score_astronomy":90,"score_weather":null,"transit_alt":87.1,"transit_local":"21:15","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.67,"best_label":"good","best_window":"21:30\u201303:10","dark_hours":7.7,"date":"2044-09-02","moon_free_dark_hours":3.0,"moon_illumination":81,"moon_separation":65.9,"score":null,"score_astronomy":82,"score_weather":null,"transit_alt":87.1,"transit_local":"21:10","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.5,"best_label":"good","best_window":"21:30\u201302:00","dark_hours":7.76,"date":"2044-09-03","moon_free_dark_hours":1.97,"moon_illumination":88,"moon_separation":66.3,"score":null,"score_astronomy":67,"score_weather":null,"transit_alt":87.1,"transit_local":"21:05","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.0,"best_label":"good","best_window":"21:30\u201300:30","dark_hours":7.81,"date":"2044-09-04","moon_free_dark_hours":0.88,"moon_illumination":94,"moon_separation":67.8,"score":null,"score_astronomy":62,"score_weather":null,"transit_alt":87.1,"transit_local":"21:00","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":2.5,"best_label":"good","best_window":"21:25\u201323:55","dark_hours":7.87,"date":"2044-09-05","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":70.3,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":87.1,"transit_local":"21:00","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.42,"best_label":"good","best_window":"21:25\u201323:50","dark_hours":7.92,"date":"2044-09-06","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":73.8,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":87.1,"transit_local":"20:55","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.67,"best_label":"good","best_window":"21:20\u201300:00","dark_hours":7.98,"date":"2044-09-07","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":78.0,"score":null,"score_astronomy":64,"score_weather":null,"transit_alt":87.1,"transit_local":"20:50","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.17,"best_label":"good","best_window":"21:20\u201300:30","dark_hours":8.03,"date":"2044-09-08","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":82.9,"score":null,"score_astronomy":71,"score_weather":null,"transit_alt":87.1,"transit_local":"20:45","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.75,"best_label":"good","best_window":"21:20\u201301:05","dark_hours":8.09,"date":"2044-09-09","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":88.2,"score":null,"score_astronomy":79,"score_weather":null,"transit_alt":87.1,"transit_local":"20:40","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.5,"best_label":"good","best_window":"21:15\u201301:45","dark_hours":8.14,"date":"2044-09-10","moon_free_dark_hours":0.0,"moon_illumination":87,"moon_separation":93.7,"score":null,"score_astronomy":84,"score_weather":null,"transit_alt":87.1,"transit_local":"20:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.92,"best_label":"good","best_window":"21:15\u201302:10","dark_hours":8.19,"date":"2044-09-11","moon_free_dark_hours":0.12,"moon_illumination":79,"moon_separation":99.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"20:35","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.0,"best_label":"good","best_window":"21:10\u201302:10","dark_hours":8.25,"date":"2044-09-12","moon_free_dark_hours":0.72,"moon_illumination":69,"moon_separation":104.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"20:30","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.08,"best_label":"good","best_window":"21:10\u201302:15","dark_hours":8.3,"date":"2044-09-13","moon_free_dark_hours":1.48,"moon_illumination":58,"moon_separation":108.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"20:25","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.08,"best_label":"good","best_window":"21:10\u201302:15","dark_hours":8.35,"date":"2044-09-14","moon_free_dark_hours":2.45,"moon_illumination":47,"moon_separation":111.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"20:20","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.17,"best_label":"good","best_window":"21:05\u201302:15","dark_hours":8.41,"date":"2044-09-15","moon_free_dark_hours":3.6,"moon_illumination":36,"moon_separation":113.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"20:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.08,"best_label":"good","best_window":"21:05\u201302:10","dark_hours":8.46,"date":"2044-09-16","moon_free_dark_hours":4.87,"moon_illumination":25,"moon_separation":114.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"20:15","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.08,"best_label":"good","best_window":"21:05\u201302:10","dark_hours":8.51,"date":"2044-09-17","moon_free_dark_hours":6.22,"moon_illumination":16,"moon_separation":112.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"20:10","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.08,"best_label":"good","best_window":"21:00\u201302:05","dark_hours":8.56,"date":"2044-09-18","moon_free_dark_hours":7.55,"moon_illumination":8,"moon_separation":110.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"20:05","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.0,"best_label":"good","best_window":"21:00\u201302:00","dark_hours":8.61,"date":"2044-09-19","moon_free_dark_hours":8.6,"moon_illumination":3,"moon_separation":106.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"20:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.08,"best_label":"good","best_window":"20:55\u201302:00","dark_hours":8.67,"date":"2044-09-20","moon_free_dark_hours":8.65,"moon_illumination":0,"moon_separation":101.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"20:00","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.0,"best_label":"good","best_window":"20:55\u201301:55","dark_hours":8.72,"date":"2044-09-21","moon_free_dark_hours":8.7,"moon_illumination":0,"moon_separation":96.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"19:55","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.92,"best_label":"good","best_window":"20:55\u201301:50","dark_hours":8.77,"date":"2044-09-22","moon_free_dark_hours":8.75,"moon_illumination":3,"moon_separation":91.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"19:50","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.92,"best_label":"good","best_window":"20:50\u201301:45","dark_hours":8.82,"date":"2044-09-23","moon_free_dark_hours":8.8,"moon_illumination":7,"moon_separation":85.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"19:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.83,"best_label":"good","best_window":"20:50\u201301:40","dark_hours":8.87,"date":"2044-09-24","moon_free_dark_hours":8.87,"moon_illumination":13,"moon_separation":80.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"19:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.83,"best_label":"good","best_window":"20:50\u201301:40","dark_hours":8.92,"date":"2044-09-25","moon_free_dark_hours":8.88,"moon_illumination":21,"moon_separation":76.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"19:40","verdict":"unknown","weather_source":"none","weekday":"Sun"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2044-08-27","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}}
