{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":7.75,"best_label":"good","best_window":"21:30\u201305:15","dark_hours":7.71,"date":"2035-09-03","moon_free_dark_hours":7.68,"moon_illumination":4,"moon_separation":116.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:30","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.75,"best_label":"good","best_window":"21:30\u201305:15","dark_hours":7.77,"date":"2035-09-04","moon_free_dark_hours":7.75,"moon_illumination":10,"moon_separation":111.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:25","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.75,"best_label":"good","best_window":"21:30\u201305:15","dark_hours":7.82,"date":"2035-09-05","moon_free_dark_hours":7.47,"moon_illumination":17,"moon_separation":105.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:20","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.92,"best_label":"good","best_window":"21:25\u201305:20","dark_hours":7.88,"date":"2035-09-06","moon_free_dark_hours":6.93,"moon_illumination":25,"moon_separation":99.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.92,"best_label":"good","best_window":"21:25\u201305:20","dark_hours":7.93,"date":"2035-09-07","moon_free_dark_hours":6.38,"moon_illumination":34,"moon_separation":92.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:15","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":8.0,"best_label":"good","best_window":"21:20\u201305:20","dark_hours":7.99,"date":"2035-09-08","moon_free_dark_hours":5.8,"moon_illumination":43,"moon_separation":86.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:10","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":8.0,"best_label":"good","best_window":"21:20\u201305:20","dark_hours":8.04,"date":"2035-09-09","moon_free_dark_hours":5.13,"moon_illumination":53,"moon_separation":79.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:05","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":8.0,"best_label":"good","best_window":"21:20\u201305:20","dark_hours":8.1,"date":"2035-09-10","moon_free_dark_hours":4.43,"moon_illumination":62,"moon_separation":73.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:00","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":8.08,"best_label":"good","best_window":"21:15\u201305:20","dark_hours":8.15,"date":"2035-09-11","moon_free_dark_hours":3.65,"moon_illumination":71,"moon_separation":68.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:00","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":8.0,"best_label":"good","best_window":"21:15\u201305:15","dark_hours":8.2,"date":"2035-09-12","moon_free_dark_hours":2.8,"moon_illumination":80,"moon_separation":63.9,"score":null,"score_astronomy":93,"score_weather":null,"transit_alt":87.3,"transit_local":"22:55","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":8.0,"best_label":"good","best_window":"21:10\u201305:10","dark_hours":8.26,"date":"2035-09-13","moon_free_dark_hours":1.88,"moon_illumination":87,"moon_separation":60.3,"score":null,"score_astronomy":86,"score_weather":null,"transit_alt":87.3,"transit_local":"22:50","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.58,"best_label":"good","best_window":"04:30\u201305:05","dark_hours":8.31,"date":"2035-09-14","moon_free_dark_hours":0.95,"moon_illumination":93,"moon_separation":58.0,"score":null,"score_astronomy":80,"score_weather":null,"transit_alt":87.3,"transit_local":"22:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":8.33,"best_label":"marginal","best_window":"21:10\u201305:30","dark_hours":8.36,"date":"2035-09-15","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":57.4,"score":null,"score_astronomy":58,"score_weather":null,"transit_alt":87.3,"transit_local":"22:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.08,"best_label":"good","best_window":"21:05\u201321:10","dark_hours":8.42,"date":"2035-09-16","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":58.6,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":87.3,"transit_local":"22:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.83,"best_label":"good","best_window":"21:05\u201321:55","dark_hours":8.47,"date":"2035-09-17","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":61.5,"score":null,"score_astronomy":64,"score_weather":null,"transit_alt":87.3,"transit_local":"22:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.08,"best_label":"good","best_window":"21:00\u201323:05","dark_hours":8.52,"date":"2035-09-18","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":66.0,"score":null,"score_astronomy":69,"score_weather":null,"transit_alt":87.3,"transit_local":"22:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.08,"best_label":"good","best_window":"21:00\u201301:05","dark_hours":8.57,"date":"2035-09-19","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":71.8,"score":null,"score_astronomy":75,"score_weather":null,"transit_alt":87.3,"transit_local":"22:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.25,"best_label":"good","best_window":"21:00\u201302:15","dark_hours":8.62,"date":"2035-09-20","moon_free_dark_hours":0.4,"moon_illumination":87,"moon_separation":78.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":6.5,"best_label":"good","best_window":"20:55\u201303:25","dark_hours":8.67,"date":"2035-09-21","moon_free_dark_hours":1.05,"moon_illumination":79,"moon_separation":85.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.17,"best_label":"good","best_window":"20:55\u201304:05","dark_hours":8.73,"date":"2035-09-22","moon_free_dark_hours":1.8,"moon_illumination":69,"moon_separation":93.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.33,"best_label":"good","best_window":"20:55\u201304:15","dark_hours":8.78,"date":"2035-09-23","moon_free_dark_hours":2.65,"moon_illumination":58,"moon_separation":100.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.42,"best_label":"good","best_window":"20:50\u201304:15","dark_hours":8.83,"date":"2035-09-24","moon_free_dark_hours":3.6,"moon_illumination":46,"moon_separation":107.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.5,"best_label":"good","best_window":"20:50\u201304:20","dark_hours":8.88,"date":"2035-09-25","moon_free_dark_hours":4.63,"moon_illumination":35,"moon_separation":113.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.5,"best_label":"good","best_window":"20:45\u201304:15","dark_hours":8.93,"date":"2035-09-26","moon_free_dark_hours":5.75,"moon_illumination":25,"moon_separation":118.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.5,"best_label":"good","best_window":"20:45\u201304:15","dark_hours":8.98,"date":"2035-09-27","moon_free_dark_hours":6.9,"moon_illumination":16,"moon_separation":121.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"21:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.42,"best_label":"good","best_window":"20:45\u201304:10","dark_hours":9.02,"date":"2035-09-28","moon_free_dark_hours":8.05,"moon_illumination":8,"moon_separation":122.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"21:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.5,"best_label":"good","best_window":"20:40\u201304:10","dark_hours":9.07,"date":"2035-09-29","moon_free_dark_hours":9.05,"moon_illumination":3,"moon_separation":121.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"21:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.42,"best_label":"good","best_window":"20:40\u201304:05","dark_hours":9.12,"date":"2035-09-30","moon_free_dark_hours":9.1,"moon_illumination":0,"moon_separation":118.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"21:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.33,"best_label":"good","best_window":"20:40\u201304:00","dark_hours":9.17,"date":"2035-10-01","moon_free_dark_hours":9.17,"moon_illumination":0,"moon_separation":113.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"21:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.33,"best_label":"good","best_window":"20:35\u201303:55","dark_hours":9.22,"date":"2035-10-02","moon_free_dark_hours":9.2,"moon_illumination":2,"moon_separation":107.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"21:35","verdict":"unknown","weather_source":"none","weekday":"Tue"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2035-09-03","target":{"dec":44.25788576,"name":"EM* LkHA 190","ra":314.72388973,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=V1057%20Cyg","source":"sesame","spectral_type":"F7/G3I/IIe","type":"Or*","type_text":"Orion-type variable \u2014 a young, erupting star","vmag":12.33}}