{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":4.08,"best_label":"good","best_window":"20:05\u201300:10","dark_hours":10.18,"date":"2032-10-23","moon_free_dark_hours":2.42,"moon_illumination":71,"moon_separation":132.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"19:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.17,"best_label":"good","best_window":"20:00\u201300:10","dark_hours":10.22,"date":"2032-10-24","moon_free_dark_hours":3.4,"moon_illumination":62,"moon_separation":139.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"19:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.17,"best_label":"good","best_window":"20:00\u201300:10","dark_hours":10.26,"date":"2032-10-25","moon_free_dark_hours":4.35,"moon_illumination":52,"moon_separation":142.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"19:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.08,"best_label":"good","best_window":"20:00\u201300:05","dark_hours":10.3,"date":"2032-10-26","moon_free_dark_hours":5.32,"moon_illumination":42,"moon_separation":142.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"19:00","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.08,"best_label":"good","best_window":"20:00\u201300:05","dark_hours":10.34,"date":"2032-10-27","moon_free_dark_hours":6.28,"moon_illumination":33,"moon_separation":140.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"18:55","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.08,"best_label":"good","best_window":"19:55\u201300:00","dark_hours":10.37,"date":"2032-10-28","moon_free_dark_hours":7.25,"moon_illumination":24,"moon_separation":134.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"18:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.0,"best_label":"good","best_window":"19:55\u201323:55","dark_hours":10.41,"date":"2032-10-29","moon_free_dark_hours":8.22,"moon_illumination":17,"moon_separation":127.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"18:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.92,"best_label":"good","best_window":"19:55\u201323:50","dark_hours":10.45,"date":"2032-10-30","moon_free_dark_hours":9.2,"moon_illumination":10,"moon_separation":119.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"18:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.83,"best_label":"good","best_window":"18:55\u201322:45","dark_hours":10.49,"date":"2032-10-31","moon_free_dark_hours":10.18,"moon_illumination":5,"moon_separation":110.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"17:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.92,"best_label":"good","best_window":"18:50\u201322:45","dark_hours":10.52,"date":"2032-11-01","moon_free_dark_hours":10.5,"moon_illumination":2,"moon_separation":100.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":71.1,"transit_local":"17:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.83,"best_label":"good","best_window":"18:50\u201322:40","dark_hours":10.56,"date":"2032-11-02","moon_free_dark_hours":10.53,"moon_illumination":0,"moon_separation":90.6,"score":null,"score_astronomy":99,"score_weather":null,"transit_alt":71.1,"transit_local":"17:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.75,"best_label":"good","best_window":"18:50\u201322:35","dark_hours":10.59,"date":"2032-11-03","moon_free_dark_hours":10.57,"moon_illumination":0,"moon_separation":80.5,"score":null,"score_astronomy":99,"score_weather":null,"transit_alt":71.1,"transit_local":"17:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.67,"best_label":"good","best_window":"18:50\u201322:30","dark_hours":10.63,"date":"2032-11-04","moon_free_dark_hours":10.6,"moon_illumination":3,"moon_separation":70.4,"score":null,"score_astronomy":97,"score_weather":null,"transit_alt":71.1,"transit_local":"17:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.67,"best_label":"good","best_window":"18:50\u201322:30","dark_hours":10.66,"date":"2032-11-05","moon_free_dark_hours":10.55,"moon_illumination":8,"moon_separation":60.5,"score":null,"score_astronomy":95,"score_weather":null,"transit_alt":71.1,"transit_local":"17:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.67,"best_label":"good","best_window":"18:45\u201322:25","dark_hours":10.7,"date":"2032-11-06","moon_free_dark_hours":9.67,"moon_illumination":14,"moon_separation":51.4,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":71.1,"transit_local":"17:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.58,"best_label":"good","best_window":"18:45\u201322:20","dark_hours":10.73,"date":"2032-11-07","moon_free_dark_hours":8.7,"moon_illumination":23,"moon_separation":43.6,"score":null,"score_astronomy":79,"score_weather":null,"transit_alt":71.1,"transit_local":"17:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.5,"best_label":"good","best_window":"18:45\u201322:15","dark_hours":10.76,"date":"2032-11-08","moon_free_dark_hours":7.65,"moon_illumination":33,"moon_separation":38.4,"score":null,"score_astronomy":67,"score_weather":null,"transit_alt":71.1,"transit_local":"17:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.17,"best_label":"good","best_window":"18:45\u201321:55","dark_hours":10.79,"date":"2032-11-09","moon_free_dark_hours":6.55,"moon_illumination":44,"moon_separation":37.0,"score":null,"score_astronomy":53,"score_weather":null,"transit_alt":71.1,"transit_local":"17:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.25,"best_label":"good","best_window":"18:45\u201321:00","dark_hours":10.83,"date":"2032-11-10","moon_free_dark_hours":5.43,"moon_illumination":55,"moon_separation":40.0,"score":null,"score_astronomy":42,"score_weather":null,"transit_alt":71.1,"transit_local":"17:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.75,"best_label":"good","best_window":"18:40\u201319:25","dark_hours":10.86,"date":"2032-11-11","moon_free_dark_hours":4.3,"moon_illumination":66,"moon_separation":46.7,"score":null,"score_astronomy":35,"score_weather":null,"transit_alt":71.1,"transit_local":"17:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.17,"best_label":"good","best_window":"18:40\u201318:50","dark_hours":10.89,"date":"2032-11-12","moon_free_dark_hours":3.13,"moon_illumination":77,"moon_separation":55.7,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":71.1,"transit_local":"16:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.33,"best_label":"good","best_window":"18:40\u201319:00","dark_hours":10.92,"date":"2032-11-13","moon_free_dark_hours":1.98,"moon_illumination":86,"moon_separation":66.1,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":71.1,"transit_local":"16:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.83,"best_label":"good","best_window":"18:40\u201319:30","dark_hours":10.95,"date":"2032-11-14","moon_free_dark_hours":0.83,"moon_illumination":93,"moon_separation":77.2,"score":null,"score_astronomy":35,"score_weather":null,"transit_alt":71.1,"transit_local":"16:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.58,"best_label":"good","best_window":"18:40\u201320:15","dark_hours":10.97,"date":"2032-11-15","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":88.6,"score":null,"score_astronomy":41,"score_weather":null,"transit_alt":71.1,"transit_local":"16:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.5,"best_label":"good","best_window":"18:40\u201321:10","dark_hours":11.0,"date":"2032-11-16","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":99.9,"score":null,"score_astronomy":49,"score_weather":null,"transit_alt":71.1,"transit_local":"16:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.67,"best_label":"good","best_window":"18:40\u201321:20","dark_hours":11.03,"date":"2032-11-17","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":110.7,"score":null,"score_astronomy":57,"score_weather":null,"transit_alt":71.1,"transit_local":"16:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.83,"best_label":"good","best_window":"18:35\u201321:25","dark_hours":11.06,"date":"2032-11-18","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":120.8,"score":null,"score_astronomy":65,"score_weather":null,"transit_alt":71.1,"transit_local":"16:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.83,"best_label":"good","best_window":"18:35\u201321:25","dark_hours":11.08,"date":"2032-11-19","moon_free_dark_hours":0.62,"moon_illumination":92,"moon_separation":129.7,"score":null,"score_astronomy":72,"score_weather":null,"transit_alt":71.1,"transit_local":"16:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.75,"best_label":"good","best_window":"18:35\u201321:20","dark_hours":11.11,"date":"2032-11-20","moon_free_dark_hours":1.57,"moon_illumination":85,"moon_separation":136.8,"score":null,"score_astronomy":72,"score_weather":null,"transit_alt":71.1,"transit_local":"16:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.75,"best_label":"good","best_window":"18:35\u201321:20","dark_hours":11.13,"date":"2032-11-21","moon_free_dark_hours":2.53,"moon_illumination":78,"moon_separation":141.5,"score":null,"score_astronomy":72,"score_weather":null,"transit_alt":71.1,"transit_local":"16:20","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":"2032-10-23","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}}
