{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":3.25,"best_label":"good","best_window":"02:00\u201305:15","dark_hours":7.69,"date":"2034-04-08","moon_free_dark_hours":2.77,"moon_illumination":78,"moon_separation":61.0,"score":null,"score_astronomy":52,"score_weather":null,"transit_alt":87.1,"transit_local":"06:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.0,"best_label":"good","best_window":"01:15\u201305:15","dark_hours":7.63,"date":"2034-04-09","moon_free_dark_hours":3.58,"moon_illumination":70,"moon_separation":58.1,"score":null,"score_astronomy":61,"score_weather":null,"transit_alt":87.1,"transit_local":"06:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.42,"best_label":"good","best_window":"00:45\u201305:10","dark_hours":7.58,"date":"2034-04-10","moon_free_dark_hours":4.37,"moon_illumination":60,"moon_separation":56.7,"score":null,"score_astronomy":80,"score_weather":null,"transit_alt":87.1,"transit_local":"06:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.42,"best_label":"good","best_window":"00:45\u201305:10","dark_hours":7.52,"date":"2034-04-11","moon_free_dark_hours":5.08,"moon_illumination":50,"moon_separation":56.9,"score":null,"score_astronomy":90,"score_weather":null,"transit_alt":87.1,"transit_local":"06:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.5,"best_label":"good","best_window":"00:40\u201305:10","dark_hours":7.46,"date":"2034-04-12","moon_free_dark_hours":5.75,"moon_illumination":40,"moon_separation":59.1,"score":null,"score_astronomy":96,"score_weather":null,"transit_alt":87.1,"transit_local":"06:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.5,"best_label":"good","best_window":"00:35\u201305:05","dark_hours":7.4,"date":"2034-04-13","moon_free_dark_hours":6.37,"moon_illumination":30,"moon_separation":63.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"06:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.58,"best_label":"good","best_window":"00:30\u201305:05","dark_hours":7.35,"date":"2034-04-14","moon_free_dark_hours":6.98,"moon_illumination":20,"moon_separation":68.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"06:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.58,"best_label":"good","best_window":"00:25\u201305:00","dark_hours":7.29,"date":"2034-04-15","moon_free_dark_hours":7.27,"moon_illumination":12,"moon_separation":75.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"06:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.58,"best_label":"good","best_window":"00:25\u201305:00","dark_hours":7.23,"date":"2034-04-16","moon_free_dark_hours":7.22,"moon_illumination":5,"moon_separation":82.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"06:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.67,"best_label":"good","best_window":"00:20\u201305:00","dark_hours":7.17,"date":"2034-04-17","moon_free_dark_hours":7.15,"moon_illumination":1,"moon_separation":91.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"06:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.67,"best_label":"good","best_window":"00:15\u201304:55","dark_hours":7.12,"date":"2034-04-18","moon_free_dark_hours":7.1,"moon_illumination":0,"moon_separation":99.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"06:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.75,"best_label":"good","best_window":"00:10\u201304:55","dark_hours":7.06,"date":"2034-04-19","moon_free_dark_hours":7.03,"moon_illumination":2,"moon_separation":107.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"06:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.67,"best_label":"good","best_window":"00:10\u201304:50","dark_hours":7.0,"date":"2034-04-20","moon_free_dark_hours":6.67,"moon_illumination":7,"moon_separation":114.0,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"06:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.75,"best_label":"good","best_window":"00:05\u201304:50","dark_hours":6.94,"date":"2034-04-21","moon_free_dark_hours":5.5,"moon_illumination":14,"moon_separation":119.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"06:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.83,"best_label":"good","best_window":"00:00\u201304:50","dark_hours":6.88,"date":"2034-04-22","moon_free_dark_hours":4.45,"moon_illumination":23,"moon_separation":122.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"05:55","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.75,"best_label":"good","best_window":"00:00\u201304:45","dark_hours":6.83,"date":"2034-04-23","moon_free_dark_hours":3.5,"moon_illumination":33,"moon_separation":123.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"05:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":4.83,"best_label":"good","best_window":"23:55\u201304:45","dark_hours":6.77,"date":"2034-04-24","moon_free_dark_hours":2.68,"moon_illumination":44,"moon_separation":122.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"05:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.75,"best_label":"good","best_window":"23:55\u201304:40","dark_hours":6.71,"date":"2034-04-25","moon_free_dark_hours":1.97,"moon_illumination":55,"moon_separation":119.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"05:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.75,"best_label":"good","best_window":"23:55\u201304:40","dark_hours":6.65,"date":"2034-04-26","moon_free_dark_hours":1.35,"moon_illumination":65,"moon_separation":114.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"05:40","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.75,"best_label":"good","best_window":"23:55\u201304:40","dark_hours":6.59,"date":"2034-04-27","moon_free_dark_hours":0.78,"moon_illumination":74,"moon_separation":109.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"05:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.58,"best_label":"good","best_window":"00:00\u201304:35","dark_hours":6.53,"date":"2034-04-28","moon_free_dark_hours":0.23,"moon_illumination":82,"moon_separation":103.4,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":87.1,"transit_local":"05:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.58,"best_label":"good","best_window":"00:00\u201304:35","dark_hours":6.48,"date":"2034-04-29","moon_free_dark_hours":0.0,"moon_illumination":89,"moon_separation":97.0,"score":null,"score_astronomy":85,"score_weather":null,"transit_alt":87.1,"transit_local":"05:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.92,"best_label":"good","best_window":"00:40\u201304:35","dark_hours":6.42,"date":"2034-04-30","moon_free_dark_hours":0.0,"moon_illumination":94,"moon_separation":90.5,"score":null,"score_astronomy":80,"score_weather":null,"transit_alt":87.1,"transit_local":"05:25","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.25,"best_label":"good","best_window":"01:15\u201304:30","dark_hours":6.36,"date":"2034-05-01","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":84.0,"score":null,"score_astronomy":69,"score_weather":null,"transit_alt":87.1,"transit_local":"05:20","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.67,"best_label":"good","best_window":"01:50\u201304:30","dark_hours":6.3,"date":"2034-05-02","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":77.7,"score":null,"score_astronomy":62,"score_weather":null,"transit_alt":87.1,"transit_local":"05:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.17,"best_label":"good","best_window":"02:20\u201304:30","dark_hours":6.24,"date":"2034-05-03","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":71.8,"score":null,"score_astronomy":56,"score_weather":null,"transit_alt":87.1,"transit_local":"05:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.17,"best_label":"good","best_window":"03:15\u201304:25","dark_hours":6.19,"date":"2034-05-04","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":66.5,"score":null,"score_astronomy":52,"score_weather":null,"transit_alt":87.1,"transit_local":"05:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.25,"best_label":"good","best_window":"04:10\u201304:25","dark_hours":6.13,"date":"2034-05-05","moon_free_dark_hours":0.0,"moon_illumination":95,"moon_separation":62.1,"score":null,"score_astronomy":52,"score_weather":null,"transit_alt":87.1,"transit_local":"05:05","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.83,"best_label":"good","best_window":"01:30\u201304:20","dark_hours":6.07,"date":"2034-05-06","moon_free_dark_hours":0.83,"moon_illumination":90,"moon_separation":58.8,"score":null,"score_astronomy":56,"score_weather":null,"transit_alt":87.1,"transit_local":"05:00","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.33,"best_label":"good","best_window":"23:00\u201304:20","dark_hours":6.02,"date":"2034-05-07","moon_free_dark_hours":1.63,"moon_illumination":83,"moon_separation":57.0,"score":null,"score_astronomy":82,"score_weather":null,"transit_alt":87.1,"transit_local":"04:55","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":"2034-04-08","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}}
