{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":1.67,"best_label":"good","best_window":"18:35\u201320:15","dark_hours":11.19,"date":"2047-11-24","moon_free_dark_hours":5.33,"moon_illumination":56,"moon_separation":69.5,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":87.1,"transit_local":"14:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.17,"best_label":"good","best_window":"18:35\u201319:45","dark_hours":11.21,"date":"2047-11-25","moon_free_dark_hours":4.3,"moon_illumination":65,"moon_separation":74.5,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":87.1,"transit_local":"14:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.75,"best_label":"good","best_window":"18:35\u201319:20","dark_hours":11.23,"date":"2047-11-26","moon_free_dark_hours":3.32,"moon_illumination":74,"moon_separation":80.0,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":87.1,"transit_local":"14:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.67,"best_label":"good","best_window":"18:35\u201319:15","dark_hours":11.25,"date":"2047-11-27","moon_free_dark_hours":2.32,"moon_illumination":82,"moon_separation":85.7,"score":null,"score_astronomy":25,"score_weather":null,"transit_alt":87.1,"transit_local":"14:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.75,"best_label":"good","best_window":"18:35\u201319:20","dark_hours":11.27,"date":"2047-11-28","moon_free_dark_hours":1.33,"moon_illumination":89,"moon_separation":91.6,"score":null,"score_astronomy":25,"score_weather":null,"transit_alt":87.1,"transit_local":"14:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.08,"best_label":"good","best_window":"18:35\u201319:40","dark_hours":11.29,"date":"2047-11-29","moon_free_dark_hours":0.35,"moon_illumination":94,"moon_separation":97.3,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":87.1,"transit_local":"14:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.33,"best_label":"good","best_window":"18:35\u201319:55","dark_hours":11.31,"date":"2047-11-30","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":102.8,"score":null,"score_astronomy":27,"score_weather":null,"transit_alt":87.1,"transit_local":"14:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.33,"best_label":"good","best_window":"18:35\u201319:55","dark_hours":11.33,"date":"2047-12-01","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":107.9,"score":null,"score_astronomy":29,"score_weather":null,"transit_alt":87.1,"transit_local":"14:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.33,"best_label":"good","best_window":"18:35\u201319:55","dark_hours":11.35,"date":"2047-12-02","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":112.3,"score":null,"score_astronomy":31,"score_weather":null,"transit_alt":87.1,"transit_local":"14:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.33,"best_label":"good","best_window":"18:35\u201319:55","dark_hours":11.36,"date":"2047-12-03","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":115.9,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":87.1,"transit_local":"14:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.33,"best_label":"good","best_window":"18:35\u201319:55","dark_hours":11.38,"date":"2047-12-04","moon_free_dark_hours":0.0,"moon_illumination":95,"moon_separation":118.3,"score":null,"score_astronomy":33,"score_weather":null,"transit_alt":87.1,"transit_local":"14:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.33,"best_label":"good","best_window":"18:35\u201319:55","dark_hours":11.39,"date":"2047-12-05","moon_free_dark_hours":1.0,"moon_illumination":90,"moon_separation":119.4,"score":null,"score_astronomy":37,"score_weather":null,"transit_alt":87.1,"transit_local":"14:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.42,"best_label":"good","best_window":"18:35\u201320:00","dark_hours":11.41,"date":"2047-12-06","moon_free_dark_hours":2.05,"moon_illumination":83,"moon_separation":119.0,"score":null,"score_astronomy":36,"score_weather":null,"transit_alt":87.1,"transit_local":"14:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.33,"best_label":"good","best_window":"18:35\u201319:55","dark_hours":11.42,"date":"2047-12-07","moon_free_dark_hours":3.12,"moon_illumination":74,"moon_separation":117.2,"score":null,"score_astronomy":35,"score_weather":null,"transit_alt":87.1,"transit_local":"13:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.25,"best_label":"good","best_window":"18:35\u201319:50","dark_hours":11.43,"date":"2047-12-08","moon_free_dark_hours":4.22,"moon_illumination":65,"moon_separation":113.9,"score":null,"score_astronomy":33,"score_weather":null,"transit_alt":87.1,"transit_local":"13:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.17,"best_label":"good","best_window":"18:35\u201319:45","dark_hours":11.44,"date":"2047-12-09","moon_free_dark_hours":5.32,"moon_illumination":55,"moon_separation":109.3,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":87.1,"transit_local":"13:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.08,"best_label":"good","best_window":"18:35\u201319:40","dark_hours":11.45,"date":"2047-12-10","moon_free_dark_hours":6.45,"moon_illumination":44,"moon_separation":103.6,"score":null,"score_astronomy":31,"score_weather":null,"transit_alt":87.1,"transit_local":"13:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.08,"best_label":"good","best_window":"18:35\u201319:40","dark_hours":11.46,"date":"2047-12-11","moon_free_dark_hours":7.65,"moon_illumination":33,"moon_separation":97.2,"score":null,"score_astronomy":29,"score_weather":null,"transit_alt":87.1,"transit_local":"13:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.0,"best_label":"good","best_window":"18:35\u201319:35","dark_hours":11.47,"date":"2047-12-12","moon_free_dark_hours":8.88,"moon_illumination":22,"moon_separation":90.2,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":87.1,"transit_local":"13:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.92,"best_label":"good","best_window":"18:35\u201319:30","dark_hours":11.48,"date":"2047-12-13","moon_free_dark_hours":10.15,"moon_illumination":14,"moon_separation":83.1,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":87.1,"transit_local":"13:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.83,"best_label":"good","best_window":"18:35\u201319:25","dark_hours":11.48,"date":"2047-12-14","moon_free_dark_hours":11.43,"moon_illumination":6,"moon_separation":76.1,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":87.1,"transit_local":"13:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.83,"best_label":"good","best_window":"18:35\u201319:25","dark_hours":11.49,"date":"2047-12-15","moon_free_dark_hours":11.48,"moon_illumination":2,"moon_separation":69.9,"score":null,"score_astronomy":24,"score_weather":null,"transit_alt":87.1,"transit_local":"13:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.75,"best_label":"good","best_window":"18:35\u201319:20","dark_hours":11.5,"date":"2047-12-16","moon_free_dark_hours":11.48,"moon_illumination":0,"moon_separation":65.0,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":87.1,"transit_local":"13:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.67,"best_label":"good","best_window":"18:35\u201319:15","dark_hours":11.5,"date":"2047-12-17","moon_free_dark_hours":11.48,"moon_illumination":1,"moon_separation":61.7,"score":null,"score_astronomy":22,"score_weather":null,"transit_alt":87.1,"transit_local":"13:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.58,"best_label":"good","best_window":"18:35\u201319:10","dark_hours":11.5,"date":"2047-12-18","moon_free_dark_hours":11.48,"moon_illumination":5,"moon_separation":60.5,"score":null,"score_astronomy":21,"score_weather":null,"transit_alt":87.1,"transit_local":"13:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.5,"best_label":"good","best_window":"18:35\u201319:05","dark_hours":11.51,"date":"2047-12-19","moon_free_dark_hours":10.25,"moon_illumination":12,"moon_separation":61.4,"score":null,"score_astronomy":18,"score_weather":null,"transit_alt":87.1,"transit_local":"13:10","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.33,"best_label":"good","best_window":"18:35\u201318:55","dark_hours":11.51,"date":"2047-12-20","moon_free_dark_hours":9.05,"moon_illumination":20,"moon_separation":64.0,"score":null,"score_astronomy":16,"score_weather":null,"transit_alt":87.1,"transit_local":"13:05","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.17,"best_label":"good","best_window":"18:35\u201318:45","dark_hours":11.51,"date":"2047-12-21","moon_free_dark_hours":7.92,"moon_illumination":29,"moon_separation":68.0,"score":null,"score_astronomy":13,"score_weather":null,"transit_alt":87.1,"transit_local":"13:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.08,"best_label":"good","best_window":"18:35\u201318:40","dark_hours":11.51,"date":"2047-12-22","moon_free_dark_hours":6.83,"moon_illumination":39,"moon_separation":72.8,"score":null,"score_astronomy":11,"score_weather":null,"transit_alt":87.1,"transit_local":"12:55","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.75,"best_label":"marginal","best_window":"18:40\u201319:25","dark_hours":11.51,"date":"2047-12-23","moon_free_dark_hours":5.8,"moon_illumination":48,"moon_separation":78.3,"score":null,"score_astronomy":9,"score_weather":null,"transit_alt":87.1,"transit_local":"12:50","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":"2047-11-24","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}}
