{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":7.5,"best_label":"good","best_window":"21:40\u201305:10","dark_hours":7.45,"date":"2038-08-29","moon_free_dark_hours":7.43,"moon_illumination":0,"moon_separation":118.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.5,"best_label":"good","best_window":"21:40\u201305:10","dark_hours":7.5,"date":"2038-08-30","moon_free_dark_hours":7.48,"moon_illumination":0,"moon_separation":117.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.58,"best_label":"good","best_window":"21:35\u201305:10","dark_hours":7.56,"date":"2038-08-31","moon_free_dark_hours":7.55,"moon_illumination":3,"moon_separation":115.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.58,"best_label":"good","best_window":"21:35\u201305:10","dark_hours":7.62,"date":"2038-09-01","moon_free_dark_hours":7.6,"moon_illumination":9,"moon_separation":111.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.67,"best_label":"good","best_window":"21:35\u201305:15","dark_hours":7.67,"date":"2038-09-02","moon_free_dark_hours":7.3,"moon_illumination":17,"moon_separation":106.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.75,"best_label":"good","best_window":"21:30\u201305:15","dark_hours":7.73,"date":"2038-09-03","moon_free_dark_hours":6.8,"moon_illumination":26,"moon_separation":100.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.75,"best_label":"good","best_window":"21:30\u201305:15","dark_hours":7.78,"date":"2038-09-04","moon_free_dark_hours":6.25,"moon_illumination":37,"moon_separation":93.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.83,"best_label":"good","best_window":"21:25\u201305:15","dark_hours":7.84,"date":"2038-09-05","moon_free_dark_hours":5.6,"moon_illumination":48,"moon_separation":86.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.92,"best_label":"good","best_window":"21:25\u201305:20","dark_hours":7.89,"date":"2038-09-06","moon_free_dark_hours":4.88,"moon_illumination":60,"moon_separation":80.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.92,"best_label":"good","best_window":"21:25\u201305:20","dark_hours":7.95,"date":"2038-09-07","moon_free_dark_hours":4.03,"moon_illumination":70,"moon_separation":74.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"23:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":8.0,"best_label":"good","best_window":"21:20\u201305:20","dark_hours":8.0,"date":"2038-09-08","moon_free_dark_hours":3.07,"moon_illumination":79,"moon_separation":69.7,"score":null,"score_astronomy":98,"score_weather":null,"transit_alt":87.3,"transit_local":"23:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":8.08,"best_label":"good","best_window":"21:20\u201305:25","dark_hours":8.06,"date":"2038-09-09","moon_free_dark_hours":2.07,"moon_illumination":87,"moon_separation":65.7,"score":null,"score_astronomy":90,"score_weather":null,"transit_alt":87.3,"transit_local":"23:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":8.08,"best_label":"good","best_window":"21:15\u201305:20","dark_hours":8.11,"date":"2038-09-10","moon_free_dark_hours":1.0,"moon_illumination":93,"moon_separation":63.0,"score":null,"score_astronomy":82,"score_weather":null,"transit_alt":87.3,"transit_local":"23:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.92,"best_label":"good","best_window":"21:15\u201322:10","dark_hours":8.16,"date":"2038-09-11","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":61.8,"score":null,"score_astronomy":63,"score_weather":null,"transit_alt":87.2,"transit_local":"23:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.92,"best_label":"good","best_window":"21:15\u201322:10","dark_hours":8.22,"date":"2038-09-12","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":62.1,"score":null,"score_astronomy":64,"score_weather":null,"transit_alt":87.3,"transit_local":"22:55","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.5,"best_label":"good","best_window":"21:10\u201322:40","dark_hours":8.27,"date":"2038-09-13","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":63.8,"score":null,"score_astronomy":66,"score_weather":null,"transit_alt":87.3,"transit_local":"22:50","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.33,"best_label":"good","best_window":"21:10\u201323:30","dark_hours":8.32,"date":"2038-09-14","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":66.6,"score":null,"score_astronomy":70,"score_weather":null,"transit_alt":87.3,"transit_local":"22:45","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.75,"best_label":"good","best_window":"21:10\u201300:55","dark_hours":8.38,"date":"2038-09-15","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":70.5,"score":null,"score_astronomy":74,"score_weather":null,"transit_alt":87.3,"transit_local":"22:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.92,"best_label":"good","best_window":"21:05\u201302:00","dark_hours":8.43,"date":"2038-09-16","moon_free_dark_hours":0.2,"moon_illumination":89,"moon_separation":75.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:40","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.75,"best_label":"good","best_window":"21:05\u201302:50","dark_hours":8.48,"date":"2038-09-17","moon_free_dark_hours":0.65,"moon_illumination":83,"moon_separation":80.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:35","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":6.75,"best_label":"good","best_window":"21:00\u201303:45","dark_hours":8.53,"date":"2038-09-18","moon_free_dark_hours":1.15,"moon_illumination":75,"moon_separation":85.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:30","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.25,"best_label":"good","best_window":"21:00\u201304:15","dark_hours":8.59,"date":"2038-09-19","moon_free_dark_hours":1.72,"moon_illumination":67,"moon_separation":91.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.33,"best_label":"good","best_window":"21:00\u201304:20","dark_hours":8.64,"date":"2038-09-20","moon_free_dark_hours":2.35,"moon_illumination":57,"moon_separation":96.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":7.5,"best_label":"good","best_window":"20:55\u201304:25","dark_hours":8.69,"date":"2038-09-21","moon_free_dark_hours":3.1,"moon_illumination":48,"moon_separation":102.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:20","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":7.5,"best_label":"good","best_window":"20:55\u201304:25","dark_hours":8.74,"date":"2038-09-22","moon_free_dark_hours":3.97,"moon_illumination":38,"moon_separation":107.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:15","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":7.58,"best_label":"good","best_window":"20:50\u201304:25","dark_hours":8.79,"date":"2038-09-23","moon_free_dark_hours":4.97,"moon_illumination":28,"moon_separation":111.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:10","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":7.58,"best_label":"good","best_window":"20:50\u201304:25","dark_hours":8.84,"date":"2038-09-24","moon_free_dark_hours":6.08,"moon_illumination":19,"moon_separation":115.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:05","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":7.5,"best_label":"good","best_window":"20:50\u201304:20","dark_hours":8.89,"date":"2038-09-25","moon_free_dark_hours":7.25,"moon_illumination":11,"moon_separation":117.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.2,"transit_local":"22:05","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":7.58,"best_label":"good","best_window":"20:45\u201304:20","dark_hours":8.94,"date":"2038-09-26","moon_free_dark_hours":8.5,"moon_illumination":5,"moon_separation":118.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"22:00","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":7.5,"best_label":"good","best_window":"20:45\u201304:15","dark_hours":8.99,"date":"2038-09-27","moon_free_dark_hours":8.97,"moon_illumination":1,"moon_separation":116.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"21:55","verdict":"unknown","weather_source":"none","weekday":"Mon"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2038-08-29","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}}