{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.57,"date":"2029-07-02","moon_free_dark_hours":1.18,"moon_illumination":58,"moon_separation":55.2,"score":null,"score_astronomy":96,"score_weather":null,"transit_alt":87.3,"transit_local":"03:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.59,"date":"2029-07-03","moon_free_dark_hours":1.6,"moon_illumination":48,"moon_separation":58.9,"score":null,"score_astronomy":99,"score_weather":null,"transit_alt":87.3,"transit_local":"03:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.62,"date":"2029-07-04","moon_free_dark_hours":2.02,"moon_illumination":39,"moon_separation":63.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.67,"best_label":"good","best_window":"23:10\u201303:50","dark_hours":4.65,"date":"2029-07-05","moon_free_dark_hours":2.52,"moon_illumination":30,"moon_separation":69.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.67,"best_label":"good","best_window":"23:10\u201303:50","dark_hours":4.68,"date":"2029-07-06","moon_free_dark_hours":3.1,"moon_illumination":21,"moon_separation":76.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.67,"best_label":"good","best_window":"23:10\u201303:50","dark_hours":4.71,"date":"2029-07-07","moon_free_dark_hours":3.78,"moon_illumination":14,"moon_separation":83.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.75,"best_label":"good","best_window":"23:05\u201303:50","dark_hours":4.74,"date":"2029-07-08","moon_free_dark_hours":4.58,"moon_illumination":8,"moon_separation":91.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.75,"best_label":"good","best_window":"23:05\u201303:50","dark_hours":4.77,"date":"2029-07-09","moon_free_dark_hours":4.75,"moon_illumination":3,"moon_separation":98.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.83,"best_label":"good","best_window":"23:05\u201303:55","dark_hours":4.81,"date":"2029-07-10","moon_free_dark_hours":4.78,"moon_illumination":1,"moon_separation":106.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.83,"best_label":"good","best_window":"23:05\u201303:55","dark_hours":4.85,"date":"2029-07-11","moon_free_dark_hours":4.83,"moon_illumination":0,"moon_separation":113.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.83,"best_label":"good","best_window":"23:05\u201303:55","dark_hours":4.89,"date":"2029-07-12","moon_free_dark_hours":4.87,"moon_illumination":2,"moon_separation":119.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.92,"best_label":"good","best_window":"23:00\u201303:55","dark_hours":4.93,"date":"2029-07-13","moon_free_dark_hours":4.9,"moon_illumination":6,"moon_separation":124.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.0,"best_label":"good","best_window":"23:00\u201304:00","dark_hours":4.97,"date":"2029-07-14","moon_free_dark_hours":4.95,"moon_illumination":13,"moon_separation":127.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.0,"best_label":"good","best_window":"23:00\u201304:00","dark_hours":5.01,"date":"2029-07-15","moon_free_dark_hours":4.98,"moon_illumination":21,"moon_separation":127.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.0,"best_label":"good","best_window":"23:00\u201304:00","dark_hours":5.05,"date":"2029-07-16","moon_free_dark_hours":4.75,"moon_illumination":31,"moon_separation":124.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.17,"best_label":"good","best_window":"22:55\u201304:05","dark_hours":5.1,"date":"2029-07-17","moon_free_dark_hours":4.3,"moon_illumination":42,"moon_separation":120.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.17,"best_label":"good","best_window":"22:55\u201304:05","dark_hours":5.14,"date":"2029-07-18","moon_free_dark_hours":3.78,"moon_illumination":54,"moon_separation":113.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.17,"best_label":"good","best_window":"22:55\u201304:05","dark_hours":5.19,"date":"2029-07-19","moon_free_dark_hours":3.18,"moon_illumination":65,"moon_separation":106.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.17,"best_label":"good","best_window":"22:55\u201304:05","dark_hours":5.24,"date":"2029-07-20","moon_free_dark_hours":2.47,"moon_illumination":76,"moon_separation":97.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.33,"best_label":"good","best_window":"22:50\u201304:10","dark_hours":5.29,"date":"2029-07-21","moon_free_dark_hours":1.62,"moon_illumination":85,"moon_separation":89.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.33,"best_label":"good","best_window":"22:50\u201304:10","dark_hours":5.34,"date":"2029-07-22","moon_free_dark_hours":0.62,"moon_illumination":92,"moon_separation":81.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.33,"best_label":"good","best_window":"22:50\u201304:10","dark_hours":5.39,"date":"2029-07-23","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":73.1,"score":null,"score_astronomy":74,"score_weather":null,"transit_alt":87.3,"transit_local":"02:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.5,"best_label":"good","best_window":"22:45\u201304:15","dark_hours":5.44,"date":"2029-07-24","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":66.0,"score":null,"score_astronomy":66,"score_weather":null,"transit_alt":87.3,"transit_local":"02:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.5,"best_label":"marginal","best_window":"22:45\u201304:15","dark_hours":5.49,"date":"2029-07-25","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":60.0,"score":null,"score_astronomy":55,"score_weather":null,"transit_alt":87.3,"transit_local":"02:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.5,"best_label":"marginal","best_window":"22:45\u201304:15","dark_hours":5.54,"date":"2029-07-26","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":55.7,"score":null,"score_astronomy":52,"score_weather":null,"transit_alt":87.3,"transit_local":"02:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.83,"best_label":"good","best_window":"22:45\u201323:35","dark_hours":5.59,"date":"2029-07-27","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":53.2,"score":null,"score_astronomy":55,"score_weather":null,"transit_alt":87.3,"transit_local":"01:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.75,"best_label":"good","best_window":"22:40\u201300:25","dark_hours":5.65,"date":"2029-07-28","moon_free_dark_hours":0.0,"moon_illumination":88,"moon_separation":52.8,"score":null,"score_astronomy":63,"score_weather":null,"transit_alt":87.3,"transit_local":"01:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.0,"best_label":"good","best_window":"22:40\u201301:40","dark_hours":5.7,"date":"2029-07-29","moon_free_dark_hours":0.0,"moon_illumination":81,"moon_separation":54.3,"score":null,"score_astronomy":71,"score_weather":null,"transit_alt":87.3,"transit_local":"01:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.67,"best_label":"good","best_window":"22:40\u201304:20","dark_hours":5.75,"date":"2029-07-30","moon_free_dark_hours":0.17,"moon_illumination":73,"moon_separation":57.6,"score":null,"score_astronomy":98,"score_weather":null,"transit_alt":87.3,"transit_local":"01:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.83,"best_label":"good","best_window":"22:35\u201304:25","dark_hours":5.81,"date":"2029-07-31","moon_free_dark_hours":0.62,"moon_illumination":64,"moon_separation":62.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"01:40","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":"2029-07-02","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}}