{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":7.5,"best_label":"good","best_window":"21:40\u201305:10","dark_hours":7.53,"date":"2036-08-30","moon_free_dark_hours":3.43,"moon_illumination":72,"moon_separation":73.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.58,"best_label":"good","best_window":"21:35\u201305:10","dark_hours":7.59,"date":"2036-08-31","moon_free_dark_hours":2.65,"moon_illumination":80,"moon_separation":68.7,"score":null,"score_astronomy":99,"score_weather":null,"transit_alt":87.3,"transit_local":"23:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.67,"best_label":"good","best_window":"21:35\u201305:15","dark_hours":7.64,"date":"2036-09-01","moon_free_dark_hours":1.8,"moon_illumination":87,"moon_separation":64.5,"score":null,"score_astronomy":92,"score_weather":null,"transit_alt":87.3,"transit_local":"23:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.33,"best_label":"good","best_window":"23:55\u201305:15","dark_hours":7.7,"date":"2036-09-02","moon_free_dark_hours":0.92,"moon_illumination":93,"moon_separation":61.4,"score":null,"score_astronomy":86,"score_weather":null,"transit_alt":87.3,"transit_local":"23:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.08,"best_label":"good","best_window":"21:30\u201321:35","dark_hours":7.75,"date":"2036-09-03","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":59.6,"score":null,"score_astronomy":60,"score_weather":null,"transit_alt":87.3,"transit_local":"23:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.17,"best_label":"good","best_window":"21:30\u201321:40","dark_hours":7.81,"date":"2036-09-04","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":59.1,"score":null,"score_astronomy":61,"score_weather":null,"transit_alt":87.3,"transit_local":"23:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.75,"best_label":"good","best_window":"21:25\u201322:10","dark_hours":7.86,"date":"2036-09-05","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":60.1,"score":null,"score_astronomy":63,"score_weather":null,"transit_alt":87.3,"transit_local":"23:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.5,"best_label":"good","best_window":"21:25\u201322:55","dark_hours":7.92,"date":"2036-09-06","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":62.6,"score":null,"score_astronomy":67,"score_weather":null,"transit_alt":87.3,"transit_local":"23:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.75,"best_label":"good","best_window":"21:20\u201300:05","dark_hours":7.97,"date":"2036-09-07","moon_free_dark_hours":0.0,"moon_illumination":96,"moon_separation":66.3,"score":null,"score_astronomy":72,"score_weather":null,"transit_alt":87.3,"transit_local":"23:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.67,"best_label":"good","best_window":"21:20\u201302:00","dark_hours":8.03,"date":"2036-09-08","moon_free_dark_hours":0.07,"moon_illumination":91,"moon_separation":71.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.67,"best_label":"good","best_window":"21:20\u201303:00","dark_hours":8.08,"date":"2036-09-09","moon_free_dark_hours":0.58,"moon_illumination":84,"moon_separation":76.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":6.75,"best_label":"good","best_window":"21:15\u201304:00","dark_hours":8.14,"date":"2036-09-10","moon_free_dark_hours":1.15,"moon_illumination":76,"moon_separation":83.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.5,"best_label":"good","best_window":"21:15\u201304:45","dark_hours":8.19,"date":"2036-09-11","moon_free_dark_hours":1.8,"moon_illumination":66,"moon_separation":89.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.67,"best_label":"good","best_window":"21:10\u201304:50","dark_hours":8.24,"date":"2036-09-12","moon_free_dark_hours":2.52,"moon_illumination":56,"moon_separation":96.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.75,"best_label":"good","best_window":"21:10\u201304:55","dark_hours":8.3,"date":"2036-09-13","moon_free_dark_hours":3.35,"moon_illumination":44,"moon_separation":103.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.75,"best_label":"good","best_window":"21:10\u201304:55","dark_hours":8.35,"date":"2036-09-14","moon_free_dark_hours":4.3,"moon_illumination":34,"moon_separation":109.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.83,"best_label":"good","best_window":"21:05\u201304:55","dark_hours":8.4,"date":"2036-09-15","moon_free_dark_hours":5.38,"moon_illumination":23,"moon_separation":114.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.83,"best_label":"good","best_window":"21:05\u201304:55","dark_hours":8.45,"date":"2036-09-16","moon_free_dark_hours":6.57,"moon_illumination":14,"moon_separation":118.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.75,"best_label":"good","best_window":"21:05\u201304:50","dark_hours":8.51,"date":"2036-09-17","moon_free_dark_hours":7.82,"moon_illumination":7,"moon_separation":120.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.83,"best_label":"good","best_window":"21:00\u201304:50","dark_hours":8.56,"date":"2036-09-18","moon_free_dark_hours":8.53,"moon_illumination":2,"moon_separation":120.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.75,"best_label":"good","best_window":"21:00\u201304:45","dark_hours":8.61,"date":"2036-09-19","moon_free_dark_hours":8.6,"moon_illumination":0,"moon_separation":118.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.75,"best_label":"good","best_window":"20:55\u201304:40","dark_hours":8.66,"date":"2036-09-20","moon_free_dark_hours":8.65,"moon_illumination":1,"moon_separation":113.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.67,"best_label":"good","best_window":"20:55\u201304:35","dark_hours":8.71,"date":"2036-09-21","moon_free_dark_hours":8.7,"moon_illumination":5,"moon_separation":107.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.58,"best_label":"good","best_window":"20:55\u201304:30","dark_hours":8.76,"date":"2036-09-22","moon_free_dark_hours":8.63,"moon_illumination":11,"moon_separation":101.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.67,"best_label":"good","best_window":"20:50\u201304:30","dark_hours":8.81,"date":"2036-09-23","moon_free_dark_hours":8.07,"moon_illumination":19,"moon_separation":94.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.58,"best_label":"good","best_window":"20:50\u201304:25","dark_hours":8.86,"date":"2036-09-24","moon_free_dark_hours":7.47,"moon_illumination":27,"moon_separation":88.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.5,"best_label":"good","best_window":"20:50\u201304:20","dark_hours":8.91,"date":"2036-09-25","moon_free_dark_hours":6.82,"moon_illumination":37,"moon_separation":81.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.5,"best_label":"good","best_window":"20:45\u201304:15","dark_hours":8.96,"date":"2036-09-26","moon_free_dark_hours":6.1,"moon_illumination":47,"moon_separation":75.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"21:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.5,"best_label":"good","best_window":"20:45\u201304:15","dark_hours":9.01,"date":"2036-09-27","moon_free_dark_hours":5.32,"moon_illumination":56,"moon_separation":70.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"21:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.5,"best_label":"good","best_window":"20:40\u201304:10","dark_hours":9.06,"date":"2036-09-28","moon_free_dark_hours":4.48,"moon_illumination":66,"moon_separation":65.8,"score":null,"score_astronomy":95,"score_weather":null,"transit_alt":87.3,"transit_local":"21:50","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":"2036-08-30","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}}