{"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":"2034-06-20","moon_free_dark_hours":3.73,"moon_illumination":24,"moon_separation":112.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"02:00","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":"2034-06-21","moon_free_dark_hours":3.18,"moon_illumination":34,"moon_separation":106.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"02:00","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":"2034-06-22","moon_free_dark_hours":2.67,"moon_illumination":43,"moon_separation":100.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"01:55","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":"2034-06-23","moon_free_dark_hours":2.2,"moon_illumination":53,"moon_separation":93.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"01:50","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":"2034-06-24","moon_free_dark_hours":1.72,"moon_illumination":63,"moon_separation":87.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"01:45","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":"2034-06-25","moon_free_dark_hours":1.23,"moon_illumination":72,"moon_separation":80.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"01:45","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":"2034-06-26","moon_free_dark_hours":0.7,"moon_illumination":80,"moon_separation":74.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"01:40","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":"2034-06-27","moon_free_dark_hours":0.13,"moon_illumination":87,"moon_separation":69.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"01:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.42,"best_label":"good","best_window":"23:15\u201303:40","dark_hours":4.48,"date":"2034-06-28","moon_free_dark_hours":0.0,"moon_illumination":92,"moon_separation":64.2,"score":null,"score_astronomy":67,"score_weather":null,"transit_alt":87.1,"transit_local":"01:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.92,"best_label":"good","best_window":"01:45\u201303:40","dark_hours":4.5,"date":"2034-06-29","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":60.4,"score":null,"score_astronomy":57,"score_weather":null,"transit_alt":87.1,"transit_local":"01:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.42,"best_label":"good","best_window":"03:20\u201303:45","dark_hours":4.52,"date":"2034-06-30","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":57.9,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":87.1,"transit_local":"01:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.58,"best_label":"marginal","best_window":"23:10\u201303:45","dark_hours":4.54,"date":"2034-07-01","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":56.9,"score":null,"score_astronomy":47,"score_weather":null,"transit_alt":87.1,"transit_local":"01:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.58,"best_label":"good","best_window":"23:10\u201323:45","dark_hours":4.56,"date":"2034-07-02","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":57.8,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":87.1,"transit_local":"01:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":2.0,"best_label":"good","best_window":"23:10\u201301:10","dark_hours":4.59,"date":"2034-07-03","moon_free_dark_hours":0.0,"moon_illumination":95,"moon_separation":60.4,"score":null,"score_astronomy":58,"score_weather":null,"transit_alt":87.1,"transit_local":"01:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.58,"best_label":"good","best_window":"23:10\u201303:45","dark_hours":4.61,"date":"2034-07-04","moon_free_dark_hours":0.0,"moon_illumination":89,"moon_separation":64.5,"score":null,"score_astronomy":69,"score_weather":null,"transit_alt":87.1,"transit_local":"01:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.67,"best_label":"good","best_window":"23:10\u201303:50","dark_hours":4.64,"date":"2034-07-05","moon_free_dark_hours":0.18,"moon_illumination":82,"moon_separation":70.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"01:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.67,"best_label":"good","best_window":"23:10\u201303:50","dark_hours":4.67,"date":"2034-07-06","moon_free_dark_hours":0.77,"moon_illumination":73,"moon_separation":76.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"01:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.67,"best_label":"good","best_window":"23:10\u201303:50","dark_hours":4.7,"date":"2034-07-07","moon_free_dark_hours":1.32,"moon_illumination":63,"moon_separation":83.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.75,"best_label":"good","best_window":"23:05\u201303:50","dark_hours":4.73,"date":"2034-07-08","moon_free_dark_hours":1.92,"moon_illumination":52,"moon_separation":91.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.75,"best_label":"good","best_window":"23:05\u201303:50","dark_hours":4.77,"date":"2034-07-09","moon_free_dark_hours":2.53,"moon_illumination":40,"moon_separation":98.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.83,"best_label":"good","best_window":"23:05\u201303:55","dark_hours":4.8,"date":"2034-07-10","moon_free_dark_hours":3.2,"moon_illumination":29,"moon_separation":106.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.83,"best_label":"good","best_window":"23:05\u201303:55","dark_hours":4.84,"date":"2034-07-11","moon_free_dark_hours":3.97,"moon_illumination":19,"moon_separation":112.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.83,"best_label":"good","best_window":"23:05\u201303:55","dark_hours":4.88,"date":"2034-07-12","moon_free_dark_hours":4.82,"moon_illumination":11,"moon_separation":118.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.92,"best_label":"good","best_window":"23:00\u201303:55","dark_hours":4.92,"date":"2034-07-13","moon_free_dark_hours":4.9,"moon_illumination":5,"moon_separation":121.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.0,"best_label":"good","best_window":"23:00\u201304:00","dark_hours":4.96,"date":"2034-07-14","moon_free_dark_hours":4.93,"moon_illumination":1,"moon_separation":123.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.0,"best_label":"good","best_window":"23:00\u201304:00","dark_hours":5.0,"date":"2034-07-15","moon_free_dark_hours":4.98,"moon_illumination":0,"moon_separation":122.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.0,"best_label":"good","best_window":"23:00\u201304:00","dark_hours":5.04,"date":"2034-07-16","moon_free_dark_hours":5.02,"moon_illumination":2,"moon_separation":119.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.17,"best_label":"good","best_window":"22:55\u201304:05","dark_hours":5.09,"date":"2034-07-17","moon_free_dark_hours":5.08,"moon_illumination":6,"moon_separation":114.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.17,"best_label":"good","best_window":"22:55\u201304:05","dark_hours":5.13,"date":"2034-07-18","moon_free_dark_hours":5.12,"moon_illumination":12,"moon_separation":108.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.17,"best_label":"good","best_window":"22:55\u201304:05","dark_hours":5.18,"date":"2034-07-19","moon_free_dark_hours":5.13,"moon_illumination":19,"moon_separation":102.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"00:10","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":"2034-06-20","target":{"common_name":"Vega","dec":38.78368896,"name":"* alf Lyr","ra":279.23473479,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=Vega","source":"sesame","spectral_type":"A0V","type":"dS*","type_text":"delta Scuti variable","vmag":0.03}}