{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.42,"date":"2028-06-20","moon_free_dark_hours":4.4,"moon_illumination":4,"moon_separation":85.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"04:20","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.42,"date":"2028-06-21","moon_free_dark_hours":4.4,"moon_illumination":1,"moon_separation":93.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"04:20","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.43,"date":"2028-06-22","moon_free_dark_hours":4.42,"moon_illumination":0,"moon_separation":101.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"04:15","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.43,"date":"2028-06-23","moon_free_dark_hours":4.42,"moon_illumination":2,"moon_separation":109.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"04:10","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.44,"date":"2028-06-24","moon_free_dark_hours":4.42,"moon_illumination":6,"moon_separation":116.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"04:05","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.45,"date":"2028-06-25","moon_free_dark_hours":4.43,"moon_illumination":13,"moon_separation":121.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"04:00","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.46,"date":"2028-06-26","moon_free_dark_hours":4.15,"moon_illumination":22,"moon_separation":125.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"04:00","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.47,"date":"2028-06-27","moon_free_dark_hours":3.7,"moon_illumination":32,"moon_separation":126.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:55","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.5,"best_label":"good","best_window":"23:10\u201303:40","dark_hours":4.49,"date":"2028-06-28","moon_free_dark_hours":3.3,"moon_illumination":43,"moon_separation":125.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:50","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.51,"date":"2028-06-29","moon_free_dark_hours":2.88,"moon_illumination":55,"moon_separation":121.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:45","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.53,"date":"2028-06-30","moon_free_dark_hours":2.4,"moon_illumination":66,"moon_separation":115.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.55,"date":"2028-07-01","moon_free_dark_hours":1.87,"moon_illumination":76,"moon_separation":108.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.57,"date":"2028-07-02","moon_free_dark_hours":1.23,"moon_illumination":85,"moon_separation":101.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:35","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.6,"date":"2028-07-03","moon_free_dark_hours":0.48,"moon_illumination":92,"moon_separation":93.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"03:30","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.62,"date":"2028-07-04","moon_free_dark_hours":0.0,"moon_illumination":96,"moon_separation":85.6,"score":null,"score_astronomy":79,"score_weather":null,"transit_alt":87.3,"transit_local":"03:25","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.67,"best_label":"good","best_window":"23:10\u201303:50","dark_hours":4.65,"date":"2028-07-05","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":78.1,"score":null,"score_astronomy":71,"score_weather":null,"transit_alt":87.3,"transit_local":"03:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.67,"best_label":"good","best_window":"23:10\u201303:50","dark_hours":4.68,"date":"2028-07-06","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":71.1,"score":null,"score_astronomy":61,"score_weather":null,"transit_alt":87.3,"transit_local":"03:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.75,"best_label":"good","best_window":"23:05\u201303:50","dark_hours":4.71,"date":"2028-07-07","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":64.9,"score":null,"score_astronomy":55,"score_weather":null,"transit_alt":87.3,"transit_local":"03:15","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.0,"best_label":"good","best_window":"23:05\u201301:05","dark_hours":4.75,"date":"2028-07-08","moon_free_dark_hours":0.0,"moon_illumination":95,"moon_separation":59.8,"score":null,"score_astronomy":53,"score_weather":null,"transit_alt":87.3,"transit_local":"03:10","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.25,"best_label":"good","best_window":"23:05\u201301:20","dark_hours":4.78,"date":"2028-07-09","moon_free_dark_hours":0.0,"moon_illumination":90,"moon_separation":56.1,"score":null,"score_astronomy":56,"score_weather":null,"transit_alt":87.3,"transit_local":"03:05","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":2.92,"best_label":"good","best_window":"23:05\u201302:00","dark_hours":4.82,"date":"2028-07-10","moon_free_dark_hours":0.0,"moon_illumination":84,"moon_separation":53.9,"score":null,"score_astronomy":62,"score_weather":null,"transit_alt":87.3,"transit_local":"03:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.33,"best_label":"good","best_window":"23:05\u201303:25","dark_hours":4.86,"date":"2028-07-11","moon_free_dark_hours":0.22,"moon_illumination":77,"moon_separation":53.5,"score":null,"score_astronomy":92,"score_weather":null,"transit_alt":87.3,"transit_local":"03:00","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.83,"best_label":"good","best_window":"23:05\u201303:55","dark_hours":4.9,"date":"2028-07-12","moon_free_dark_hours":0.57,"moon_illumination":68,"moon_separation":54.9,"score":null,"score_astronomy":95,"score_weather":null,"transit_alt":87.3,"transit_local":"02:55","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.0,"best_label":"good","best_window":"23:00\u201304:00","dark_hours":4.94,"date":"2028-07-13","moon_free_dark_hours":0.95,"moon_illumination":59,"moon_separation":58.0,"score":null,"score_astronomy":99,"score_weather":null,"transit_alt":87.3,"transit_local":"02:50","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.0,"best_label":"good","best_window":"23:00\u201304:00","dark_hours":4.98,"date":"2028-07-14","moon_free_dark_hours":1.37,"moon_illumination":49,"moon_separation":62.5,"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":5.02,"date":"2028-07-15","moon_free_dark_hours":1.85,"moon_illumination":40,"moon_separation":68.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.0,"best_label":"good","best_window":"23:00\u201304:00","dark_hours":5.06,"date":"2028-07-16","moon_free_dark_hours":2.4,"moon_illumination":30,"moon_separation":74.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.17,"best_label":"good","best_window":"22:55\u201304:05","dark_hours":5.11,"date":"2028-07-17","moon_free_dark_hours":3.1,"moon_illumination":21,"moon_separation":82.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.17,"best_label":"good","best_window":"22:55\u201304:05","dark_hours":5.15,"date":"2028-07-18","moon_free_dark_hours":3.98,"moon_illumination":13,"moon_separation":90.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.17,"best_label":"good","best_window":"22:55\u201304:05","dark_hours":5.2,"date":"2028-07-19","moon_free_dark_hours":5.02,"moon_illumination":6,"moon_separation":98.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.3,"transit_local":"02:30","verdict":"unknown","weather_source":"none","weekday":"Wed"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2028-06-20","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}}