{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":3.83,"best_label":"good","best_window":"18:50\u201322:40","dark_hours":10.54,"date":"2034-11-02","moon_free_dark_hours":4.48,"moon_illumination":52,"moon_separation":141.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"17:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.83,"best_label":"good","best_window":"18:50\u201322:40","dark_hours":10.58,"date":"2034-11-03","moon_free_dark_hours":5.55,"moon_illumination":42,"moon_separation":139.0,"score":null,"score_astronomy":99,"score_weather":null,"transit_alt":71.1,"transit_local":"17:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.75,"best_label":"good","best_window":"18:50\u201322:35","dark_hours":10.61,"date":"2034-11-04","moon_free_dark_hours":6.6,"moon_illumination":32,"moon_separation":133.6,"score":null,"score_astronomy":98,"score_weather":null,"transit_alt":71.1,"transit_local":"17:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.67,"best_label":"good","best_window":"18:50\u201322:30","dark_hours":10.64,"date":"2034-11-05","moon_free_dark_hours":7.63,"moon_illumination":23,"moon_separation":126.3,"score":null,"score_astronomy":96,"score_weather":null,"transit_alt":71.1,"transit_local":"17:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.67,"best_label":"good","best_window":"18:45\u201322:25","dark_hours":10.68,"date":"2034-11-06","moon_free_dark_hours":8.63,"moon_illumination":15,"moon_separation":117.9,"score":null,"score_astronomy":96,"score_weather":null,"transit_alt":71.1,"transit_local":"17:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.58,"best_label":"good","best_window":"18:45\u201322:20","dark_hours":10.71,"date":"2034-11-07","moon_free_dark_hours":9.63,"moon_illumination":9,"moon_separation":108.9,"score":null,"score_astronomy":95,"score_weather":null,"transit_alt":71.1,"transit_local":"17:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.58,"best_label":"good","best_window":"18:45\u201322:20","dark_hours":10.75,"date":"2034-11-08","moon_free_dark_hours":10.62,"moon_illumination":4,"moon_separation":99.6,"score":null,"score_astronomy":93,"score_weather":null,"transit_alt":71.1,"transit_local":"17:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.5,"best_label":"good","best_window":"18:45\u201322:15","dark_hours":10.78,"date":"2034-11-09","moon_free_dark_hours":10.77,"moon_illumination":1,"moon_separation":90.3,"score":null,"score_astronomy":92,"score_weather":null,"transit_alt":71.1,"transit_local":"17:10","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.42,"best_label":"good","best_window":"18:45\u201322:10","dark_hours":10.81,"date":"2034-11-10","moon_free_dark_hours":10.8,"moon_illumination":0,"moon_separation":81.0,"score":null,"score_astronomy":90,"score_weather":null,"transit_alt":71.1,"transit_local":"17:05","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.33,"best_label":"good","best_window":"18:45\u201322:05","dark_hours":10.84,"date":"2034-11-11","moon_free_dark_hours":10.82,"moon_illumination":1,"moon_separation":71.9,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":71.1,"transit_local":"17:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.33,"best_label":"good","best_window":"18:40\u201322:00","dark_hours":10.87,"date":"2034-11-12","moon_free_dark_hours":10.85,"moon_illumination":3,"moon_separation":63.2,"score":null,"score_astronomy":88,"score_weather":null,"transit_alt":71.1,"transit_local":"16:55","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.33,"best_label":"good","best_window":"18:40\u201322:00","dark_hours":10.9,"date":"2034-11-13","moon_free_dark_hours":10.62,"moon_illumination":7,"moon_separation":55.1,"score":null,"score_astronomy":85,"score_weather":null,"transit_alt":71.1,"transit_local":"16:50","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.25,"best_label":"good","best_window":"18:40\u201321:55","dark_hours":10.93,"date":"2034-11-14","moon_free_dark_hours":9.87,"moon_illumination":13,"moon_separation":48.0,"score":null,"score_astronomy":79,"score_weather":null,"transit_alt":71.1,"transit_local":"16:50","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.17,"best_label":"good","best_window":"18:40\u201321:50","dark_hours":10.96,"date":"2034-11-15","moon_free_dark_hours":9.07,"moon_illumination":20,"moon_separation":42.4,"score":null,"score_astronomy":72,"score_weather":null,"transit_alt":71.1,"transit_local":"16:45","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.08,"best_label":"good","best_window":"18:40\u201321:45","dark_hours":10.99,"date":"2034-11-16","moon_free_dark_hours":8.18,"moon_illumination":28,"moon_separation":39.2,"score":null,"score_astronomy":62,"score_weather":null,"transit_alt":71.1,"transit_local":"16:40","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.75,"best_label":"good","best_window":"18:40\u201321:25","dark_hours":11.02,"date":"2034-11-17","moon_free_dark_hours":7.25,"moon_illumination":38,"moon_separation":38.9,"score":null,"score_astronomy":52,"score_weather":null,"transit_alt":71.1,"transit_local":"16:35","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.58,"best_label":"good","best_window":"18:40\u201321:15","dark_hours":11.04,"date":"2034-11-18","moon_free_dark_hours":6.27,"moon_illumination":47,"moon_separation":42.0,"score":null,"score_astronomy":43,"score_weather":null,"transit_alt":71.1,"transit_local":"16:30","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.67,"best_label":"good","best_window":"18:35\u201320:15","dark_hours":11.07,"date":"2034-11-19","moon_free_dark_hours":5.23,"moon_illumination":58,"moon_separation":47.9,"score":null,"score_astronomy":37,"score_weather":null,"transit_alt":71.1,"transit_local":"16:30","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.75,"best_label":"good","best_window":"18:35\u201319:20","dark_hours":11.1,"date":"2034-11-20","moon_free_dark_hours":4.17,"moon_illumination":68,"moon_separation":56.1,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":71.1,"transit_local":"16:25","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.58,"best_label":"good","best_window":"18:35\u201319:10","dark_hours":11.12,"date":"2034-11-21","moon_free_dark_hours":3.07,"moon_illumination":78,"moon_separation":65.7,"score":null,"score_astronomy":30,"score_weather":null,"transit_alt":71.1,"transit_local":"16:20","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.75,"best_label":"good","best_window":"18:35\u201319:20","dark_hours":11.15,"date":"2034-11-22","moon_free_dark_hours":1.9,"moon_illumination":87,"moon_separation":76.5,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":71.1,"transit_local":"16:15","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.33,"best_label":"good","best_window":"18:35\u201319:55","dark_hours":11.17,"date":"2034-11-23","moon_free_dark_hours":0.72,"moon_illumination":94,"moon_separation":88.0,"score":null,"score_astronomy":35,"score_weather":null,"transit_alt":71.1,"transit_local":"16:15","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.08,"best_label":"good","best_window":"18:35\u201320:40","dark_hours":11.19,"date":"2034-11-24","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":99.8,"score":null,"score_astronomy":41,"score_weather":null,"transit_alt":71.1,"transit_local":"16:10","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.33,"best_label":"good","best_window":"18:35\u201320:55","dark_hours":11.21,"date":"2034-11-25","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":111.4,"score":null,"score_astronomy":49,"score_weather":null,"transit_alt":71.1,"transit_local":"16:05","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.33,"best_label":"good","best_window":"18:35\u201320:55","dark_hours":11.24,"date":"2034-11-26","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":122.3,"score":null,"score_astronomy":54,"score_weather":null,"transit_alt":71.1,"transit_local":"16:00","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":2.33,"best_label":"good","best_window":"18:35\u201320:55","dark_hours":11.26,"date":"2034-11-27","moon_free_dark_hours":0.37,"moon_illumination":94,"moon_separation":131.6,"score":null,"score_astronomy":59,"score_weather":null,"transit_alt":71.1,"transit_local":"15:55","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.25,"best_label":"good","best_window":"18:35\u201320:50","dark_hours":11.28,"date":"2034-11-28","moon_free_dark_hours":1.43,"moon_illumination":87,"moon_separation":138.3,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":71.1,"transit_local":"15:55","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.33,"best_label":"good","best_window":"18:35\u201320:55","dark_hours":11.3,"date":"2034-11-29","moon_free_dark_hours":2.53,"moon_illumination":78,"moon_separation":141.2,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":71.1,"transit_local":"15:50","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.25,"best_label":"good","best_window":"18:35\u201320:50","dark_hours":11.31,"date":"2034-11-30","moon_free_dark_hours":3.63,"moon_illumination":68,"moon_separation":139.9,"score":null,"score_astronomy":58,"score_weather":null,"transit_alt":71.1,"transit_local":"15:45","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.25,"best_label":"good","best_window":"18:35\u201320:50","dark_hours":11.33,"date":"2034-12-01","moon_free_dark_hours":4.72,"moon_illumination":58,"moon_separation":135.1,"score":null,"score_astronomy":56,"score_weather":null,"transit_alt":71.1,"transit_local":"15:40","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":"2034-11-02","target":{"dec":22.71085365,"name":"HD 189733","ra":300.18213726,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=HD%20189733","source":"sesame","spectral_type":"K2V","type":"BY*","type_text":"BY Draconis variable \u2014 a spotted, rotating star","vmag":7.648}}