{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":10.65,"date":"2033-11-05","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":155.2,"score":null,"score_astronomy":1,"score_weather":null,"transit_alt":50.2,"transit_local":"09:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.0,"best_label":null,"best_window":null,"dark_hours":10.69,"date":"2033-11-06","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":140.2,"score":null,"score_astronomy":1,"score_weather":null,"transit_alt":50.2,"transit_local":"09:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.08,"best_label":"marginal","best_window":"05:25\u201305:30","dark_hours":10.72,"date":"2033-11-07","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":125.3,"score":null,"score_astronomy":2,"score_weather":null,"transit_alt":50.2,"transit_local":"09:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.17,"best_label":"marginal","best_window":"05:20\u201305:30","dark_hours":10.75,"date":"2033-11-08","moon_free_dark_hours":0.17,"moon_illumination":94,"moon_separation":110.7,"score":null,"score_astronomy":2,"score_weather":null,"transit_alt":50.2,"transit_local":"09:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.17,"best_label":"marginal","best_window":"05:20\u201305:30","dark_hours":10.79,"date":"2033-11-09","moon_free_dark_hours":1.13,"moon_illumination":87,"moon_separation":96.4,"score":null,"score_astronomy":2,"score_weather":null,"transit_alt":50.2,"transit_local":"09:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.17,"best_label":"marginal","best_window":"05:20\u201305:30","dark_hours":10.82,"date":"2033-11-10","moon_free_dark_hours":2.15,"moon_illumination":79,"moon_separation":82.6,"score":null,"score_astronomy":2,"score_weather":null,"transit_alt":50.2,"transit_local":"09:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.33,"best_label":"marginal","best_window":"05:15\u201305:35","dark_hours":10.85,"date":"2033-11-11","moon_free_dark_hours":3.17,"moon_illumination":69,"moon_separation":69.3,"score":null,"score_astronomy":3,"score_weather":null,"transit_alt":50.2,"transit_local":"09:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.33,"best_label":"marginal","best_window":"05:15\u201305:35","dark_hours":10.88,"date":"2033-11-12","moon_free_dark_hours":4.18,"moon_illumination":59,"moon_separation":56.4,"score":null,"score_astronomy":3,"score_weather":null,"transit_alt":50.2,"transit_local":"09:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.5,"best_label":"marginal","best_window":"05:05\u201305:35","dark_hours":10.91,"date":"2033-11-13","moon_free_dark_hours":5.2,"moon_illumination":49,"moon_separation":43.9,"score":null,"score_astronomy":4,"score_weather":null,"transit_alt":50.2,"transit_local":"09:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.58,"best_label":"marginal","best_window":"05:00\u201305:35","dark_hours":10.94,"date":"2033-11-14","moon_free_dark_hours":6.18,"moon_illumination":40,"moon_separation":31.8,"score":null,"score_astronomy":5,"score_weather":null,"transit_alt":50.2,"transit_local":"09:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.67,"best_label":"marginal","best_window":"04:55\u201305:35","dark_hours":10.97,"date":"2033-11-15","moon_free_dark_hours":7.17,"moon_illumination":30,"moon_separation":20.1,"score":null,"score_astronomy":7,"score_weather":null,"transit_alt":50.2,"transit_local":"09:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.17,"best_label":"good","best_window":"05:30\u201305:40","dark_hours":11.0,"date":"2033-11-16","moon_free_dark_hours":8.1,"moon_illumination":22,"moon_separation":9.2,"score":null,"score_astronomy":10,"score_weather":null,"transit_alt":50.2,"transit_local":"09:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.33,"best_label":"good","best_window":"05:20\u201305:40","dark_hours":11.02,"date":"2033-11-17","moon_free_dark_hours":9.07,"moon_illumination":15,"moon_separation":6.8,"score":null,"score_astronomy":13,"score_weather":null,"transit_alt":50.2,"transit_local":"09:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.42,"best_label":"good","best_window":"05:15\u201305:40","dark_hours":11.05,"date":"2033-11-18","moon_free_dark_hours":10.0,"moon_illumination":9,"moon_separation":17.0,"score":null,"score_astronomy":16,"score_weather":null,"transit_alt":50.2,"transit_local":"08:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.58,"best_label":"good","best_window":"05:05\u201305:40","dark_hours":11.08,"date":"2033-11-19","moon_free_dark_hours":10.97,"moon_illumination":4,"moon_separation":28.5,"score":null,"score_astronomy":18,"score_weather":null,"transit_alt":50.2,"transit_local":"08:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.67,"best_label":"good","best_window":"05:05\u201305:45","dark_hours":11.1,"date":"2033-11-20","moon_free_dark_hours":11.1,"moon_illumination":1,"moon_separation":40.3,"score":null,"score_astronomy":21,"score_weather":null,"transit_alt":50.2,"transit_local":"08:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.75,"best_label":"good","best_window":"05:00\u201305:45","dark_hours":11.13,"date":"2033-11-21","moon_free_dark_hours":11.12,"moon_illumination":0,"moon_separation":52.2,"score":null,"score_astronomy":22,"score_weather":null,"transit_alt":50.2,"transit_local":"08:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.83,"best_label":"good","best_window":"04:55\u201305:45","dark_hours":11.15,"date":"2033-11-22","moon_free_dark_hours":11.15,"moon_illumination":1,"moon_separation":64.4,"score":null,"score_astronomy":24,"score_weather":null,"transit_alt":50.2,"transit_local":"08:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.92,"best_label":"good","best_window":"04:50\u201305:45","dark_hours":11.17,"date":"2033-11-23","moon_free_dark_hours":11.17,"moon_illumination":4,"moon_separation":76.7,"score":null,"score_astronomy":25,"score_weather":null,"transit_alt":50.2,"transit_local":"08:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.0,"best_label":"good","best_window":"04:45\u201305:45","dark_hours":11.2,"date":"2033-11-24","moon_free_dark_hours":10.7,"moon_illumination":8,"moon_separation":89.2,"score":null,"score_astronomy":27,"score_weather":null,"transit_alt":50.2,"transit_local":"08:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.0,"best_label":"good","best_window":"04:45\u201305:45","dark_hours":11.22,"date":"2033-11-25","moon_free_dark_hours":9.78,"moon_illumination":14,"moon_separation":101.9,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":50.2,"transit_local":"08:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.17,"best_label":"good","best_window":"04:40\u201305:50","dark_hours":11.24,"date":"2033-11-26","moon_free_dark_hours":8.8,"moon_illumination":22,"moon_separation":114.8,"score":null,"score_astronomy":30,"score_weather":null,"transit_alt":50.2,"transit_local":"08:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.25,"best_label":"good","best_window":"04:35\u201305:50","dark_hours":11.26,"date":"2033-11-27","moon_free_dark_hours":7.78,"moon_illumination":32,"moon_separation":127.9,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":50.2,"transit_local":"08:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.33,"best_label":"good","best_window":"04:30\u201305:50","dark_hours":11.28,"date":"2033-11-28","moon_free_dark_hours":6.72,"moon_illumination":42,"moon_separation":141.2,"score":null,"score_astronomy":33,"score_weather":null,"transit_alt":50.2,"transit_local":"08:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.42,"best_label":"good","best_window":"04:25\u201305:50","dark_hours":11.3,"date":"2033-11-29","moon_free_dark_hours":5.63,"moon_illumination":53,"moon_separation":154.8,"score":null,"score_astronomy":35,"score_weather":null,"transit_alt":50.2,"transit_local":"08:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.42,"best_label":"good","best_window":"04:25\u201305:50","dark_hours":11.32,"date":"2033-11-30","moon_free_dark_hours":4.5,"moon_illumination":64,"moon_separation":168.1,"score":null,"score_astronomy":37,"score_weather":null,"transit_alt":50.2,"transit_local":"08:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.58,"best_label":"good","best_window":"04:20\u201305:55","dark_hours":11.34,"date":"2033-12-01","moon_free_dark_hours":3.35,"moon_illumination":75,"moon_separation":173.7,"score":null,"score_astronomy":39,"score_weather":null,"transit_alt":50.2,"transit_local":"08:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.67,"best_label":"good","best_window":"04:15\u201305:55","dark_hours":11.35,"date":"2033-12-02","moon_free_dark_hours":2.18,"moon_illumination":84,"moon_separation":161.1,"score":null,"score_astronomy":41,"score_weather":null,"transit_alt":50.2,"transit_local":"08:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.58,"best_label":"good","best_window":"04:20\u201305:55","dark_hours":11.37,"date":"2033-12-03","moon_free_dark_hours":1.0,"moon_illumination":92,"moon_separation":146.6,"score":null,"score_astronomy":41,"score_weather":null,"transit_alt":50.2,"transit_local":"08:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.58,"best_label":"good","best_window":"04:20\u201305:55","dark_hours":11.38,"date":"2033-12-04","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":131.9,"score":null,"score_astronomy":37,"score_weather":null,"transit_alt":50.2,"transit_local":"07:55","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":"2033-11-05","target":{"dec":2.05238823,"morphology":"E3","name":"3C 273","ra":187.27791594,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=3C%20273","source":"sesame","type":"BLL","type_text":"BL Lac object \u2014 a blazar","vmag":14.83}}
