{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":3.08,"best_label":"good","best_window":"02:15\u201305:20","dark_hours":9.54,"date":"2033-03-03","moon_free_dark_hours":8.28,"moon_illumination":10,"moon_separation":92.2,"score":null,"score_astronomy":80,"score_weather":null,"transit_alt":87.1,"transit_local":"08:10","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.17,"best_label":"good","best_window":"02:10\u201305:20","dark_hours":9.49,"date":"2033-03-04","moon_free_dark_hours":7.07,"moon_illumination":18,"moon_separation":100.1,"score":null,"score_astronomy":81,"score_weather":null,"transit_alt":87.1,"transit_local":"08:05","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.17,"best_label":"good","best_window":"02:10\u201305:20","dark_hours":9.45,"date":"2033-03-05","moon_free_dark_hours":5.9,"moon_illumination":28,"moon_separation":107.4,"score":null,"score_astronomy":83,"score_weather":null,"transit_alt":87.1,"transit_local":"08:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.17,"best_label":"good","best_window":"02:05\u201305:15","dark_hours":9.4,"date":"2033-03-06","moon_free_dark_hours":4.78,"moon_illumination":38,"moon_separation":113.7,"score":null,"score_astronomy":84,"score_weather":null,"transit_alt":87.1,"transit_local":"08:00","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.25,"best_label":"good","best_window":"02:00\u201305:15","dark_hours":9.35,"date":"2033-03-07","moon_free_dark_hours":3.8,"moon_illumination":49,"moon_separation":118.5,"score":null,"score_astronomy":84,"score_weather":null,"transit_alt":87.1,"transit_local":"07:55","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.25,"best_label":"good","best_window":"02:00\u201305:15","dark_hours":9.31,"date":"2033-03-08","moon_free_dark_hours":2.88,"moon_illumination":59,"moon_separation":121.8,"score":null,"score_astronomy":86,"score_weather":null,"transit_alt":87.1,"transit_local":"07:50","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.17,"best_label":"good","best_window":"02:00\u201305:10","dark_hours":9.26,"date":"2033-03-09","moon_free_dark_hours":2.07,"moon_illumination":69,"moon_separation":123.3,"score":null,"score_astronomy":85,"score_weather":null,"transit_alt":87.1,"transit_local":"07:45","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.25,"best_label":"good","best_window":"01:55\u201305:10","dark_hours":9.21,"date":"2033-03-10","moon_free_dark_hours":1.35,"moon_illumination":78,"moon_separation":123.1,"score":null,"score_astronomy":85,"score_weather":null,"transit_alt":87.1,"transit_local":"07:40","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.25,"best_label":"good","best_window":"01:55\u201305:10","dark_hours":9.16,"date":"2033-03-11","moon_free_dark_hours":0.72,"moon_illumination":85,"moon_separation":121.1,"score":null,"score_astronomy":85,"score_weather":null,"transit_alt":87.1,"transit_local":"07:40","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.17,"best_label":"good","best_window":"01:55\u201305:05","dark_hours":9.11,"date":"2033-03-12","moon_free_dark_hours":0.13,"moon_illumination":91,"moon_separation":117.8,"score":null,"score_astronomy":82,"score_weather":null,"transit_alt":87.1,"transit_local":"07:35","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.17,"best_label":"good","best_window":"01:55\u201305:05","dark_hours":9.06,"date":"2033-03-13","moon_free_dark_hours":0.0,"moon_illumination":96,"moon_separation":113.3,"score":null,"score_astronomy":70,"score_weather":null,"transit_alt":87.1,"transit_local":"07:30","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.17,"best_label":"good","best_window":"01:55\u201305:05","dark_hours":9.01,"date":"2033-03-14","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":107.9,"score":null,"score_astronomy":66,"score_weather":null,"transit_alt":87.1,"transit_local":"07:25","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.0,"best_label":"good","best_window":"02:00\u201305:00","dark_hours":8.96,"date":"2033-03-15","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":101.9,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":87.1,"transit_local":"07:25","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.67,"best_label":"good","best_window":"02:20\u201305:00","dark_hours":8.91,"date":"2033-03-16","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":95.6,"score":null,"score_astronomy":54,"score_weather":null,"transit_alt":87.1,"transit_local":"07:20","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.25,"best_label":"good","best_window":"02:40\u201304:55","dark_hours":8.86,"date":"2033-03-17","moon_free_dark_hours":0.02,"moon_illumination":97,"moon_separation":89.1,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":87.1,"transit_local":"07:15","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.0,"best_label":"good","best_window":"02:55\u201304:55","dark_hours":8.81,"date":"2033-03-18","moon_free_dark_hours":0.95,"moon_illumination":93,"moon_separation":82.5,"score":null,"score_astronomy":47,"score_weather":null,"transit_alt":87.1,"transit_local":"07:10","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.0,"best_label":"good","best_window":"02:55\u201304:55","dark_hours":8.76,"date":"2033-03-19","moon_free_dark_hours":1.88,"moon_illumination":87,"moon_separation":76.2,"score":null,"score_astronomy":46,"score_weather":null,"transit_alt":87.1,"transit_local":"07:05","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.33,"best_label":"good","best_window":"02:30\u201304:50","dark_hours":8.71,"date":"2033-03-20","moon_free_dark_hours":2.82,"moon_illumination":80,"moon_separation":70.2,"score":null,"score_astronomy":47,"score_weather":null,"transit_alt":87.1,"transit_local":"07:05","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.25,"best_label":"good","best_window":"01:35\u201304:50","dark_hours":8.65,"date":"2033-03-21","moon_free_dark_hours":3.73,"moon_illumination":71,"moon_separation":64.9,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":87.1,"transit_local":"07:00","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.42,"best_label":"good","best_window":"01:25\u201304:50","dark_hours":8.6,"date":"2033-03-22","moon_free_dark_hours":4.62,"moon_illumination":62,"moon_separation":60.6,"score":null,"score_astronomy":57,"score_weather":null,"transit_alt":87.1,"transit_local":"06:55","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.83,"best_label":"good","best_window":"00:55\u201304:45","dark_hours":8.55,"date":"2033-03-23","moon_free_dark_hours":5.47,"moon_illumination":52,"moon_separation":57.6,"score":null,"score_astronomy":68,"score_weather":null,"transit_alt":87.1,"transit_local":"06:50","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.83,"best_label":"good","best_window":"00:55\u201304:45","dark_hours":8.5,"date":"2033-03-24","moon_free_dark_hours":6.27,"moon_illumination":41,"moon_separation":56.5,"score":null,"score_astronomy":81,"score_weather":null,"transit_alt":87.1,"transit_local":"06:45","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.83,"best_label":"good","best_window":"00:50\u201304:40","dark_hours":8.44,"date":"2033-03-25","moon_free_dark_hours":6.98,"moon_illumination":30,"moon_separation":57.4,"score":null,"score_astronomy":90,"score_weather":null,"transit_alt":87.1,"transit_local":"06:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.92,"best_label":"good","best_window":"00:45\u201305:40","dark_hours":8.39,"date":"2033-03-26","moon_free_dark_hours":7.67,"moon_illumination":20,"moon_separation":60.5,"score":null,"score_astronomy":99,"score_weather":null,"transit_alt":87.1,"transit_local":"07:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.0,"best_label":"good","best_window":"01:40\u201305:40","dark_hours":8.34,"date":"2033-03-27","moon_free_dark_hours":8.3,"moon_illumination":12,"moon_separation":65.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"07:35","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.0,"best_label":"good","best_window":"01:35\u201305:35","dark_hours":8.28,"date":"2033-03-28","moon_free_dark_hours":8.27,"moon_illumination":5,"moon_separation":72.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"07:30","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.0,"best_label":"good","best_window":"01:35\u201305:35","dark_hours":8.23,"date":"2033-03-29","moon_free_dark_hours":8.22,"moon_illumination":1,"moon_separation":80.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"07:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.08,"best_label":"good","best_window":"01:30\u201305:35","dark_hours":8.18,"date":"2033-03-30","moon_free_dark_hours":8.17,"moon_illumination":0,"moon_separation":88.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"07:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.08,"best_label":"good","best_window":"01:25\u201305:30","dark_hours":8.12,"date":"2033-03-31","moon_free_dark_hours":8.1,"moon_illumination":2,"moon_separation":96.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"07:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.17,"best_label":"good","best_window":"01:20\u201305:30","dark_hours":8.07,"date":"2033-04-01","moon_free_dark_hours":7.45,"moon_illumination":7,"moon_separation":104.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"07:15","verdict":"unknown","weather_source":"none","weekday":"Fri"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2033-03-03","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}}