{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":2.42,"best_label":"good","best_window":"19:25\u201321:50","dark_hours":10.37,"date":"2035-02-12","moon_free_dark_hours":7.5,"moon_illumination":22,"moon_separation":25.8,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":79.1,"transit_local":"16:25","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.25,"best_label":"good","best_window":"19:25\u201321:40","dark_hours":10.33,"date":"2035-02-13","moon_free_dark_hours":6.35,"moon_illumination":32,"moon_separation":23.4,"score":null,"score_astronomy":40,"score_weather":null,"transit_alt":79.1,"transit_local":"16:25","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.5,"best_label":"good","best_window":"19:30\u201321:00","dark_hours":10.29,"date":"2035-02-14","moon_free_dark_hours":5.22,"moon_illumination":43,"moon_separation":28.1,"score":null,"score_astronomy":30,"score_weather":null,"transit_alt":79.1,"transit_local":"16:20","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.67,"best_label":"marginal","best_window":"19:30\u201322:10","dark_hours":10.25,"date":"2035-02-15","moon_free_dark_hours":4.08,"moon_illumination":54,"moon_separation":37.5,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":79.1,"transit_local":"16:15","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.5,"best_label":"marginal","best_window":"19:30\u201322:00","dark_hours":10.21,"date":"2035-02-16","moon_free_dark_hours":2.98,"moon_illumination":66,"moon_separation":49.1,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":79.1,"transit_local":"16:10","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.42,"best_label":"marginal","best_window":"19:30\u201321:55","dark_hours":10.17,"date":"2035-02-17","moon_free_dark_hours":1.92,"moon_illumination":76,"moon_separation":61.6,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":79.1,"transit_local":"16:05","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.25,"best_label":"marginal","best_window":"19:35\u201321:50","dark_hours":10.13,"date":"2035-02-18","moon_free_dark_hours":0.97,"moon_illumination":85,"moon_separation":74.6,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":79.1,"transit_local":"16:05","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.33,"best_label":"good","best_window":"19:35\u201319:55","dark_hours":10.09,"date":"2035-02-19","moon_free_dark_hours":0.1,"moon_illumination":92,"moon_separation":87.7,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":79.1,"transit_local":"16:00","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.33,"best_label":"good","best_window":"19:35\u201320:55","dark_hours":10.05,"date":"2035-02-20","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":100.7,"score":null,"score_astronomy":27,"score_weather":null,"transit_alt":79.1,"transit_local":"15:55","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.5,"best_label":"good","best_window":"19:35\u201321:05","dark_hours":10.01,"date":"2035-02-21","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":113.5,"score":null,"score_astronomy":33,"score_weather":null,"transit_alt":79.1,"transit_local":"15:50","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.5,"best_label":"good","best_window":"19:40\u201321:10","dark_hours":9.96,"date":"2035-02-22","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":125.7,"score":null,"score_astronomy":34,"score_weather":null,"transit_alt":79.1,"transit_local":"15:50","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.42,"best_label":"good","best_window":"19:40\u201321:05","dark_hours":9.92,"date":"2035-02-23","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":137.1,"score":null,"score_astronomy":35,"score_weather":null,"transit_alt":79.1,"transit_local":"15:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.42,"best_label":"good","best_window":"19:40\u201321:05","dark_hours":9.88,"date":"2035-02-24","moon_free_dark_hours":0.93,"moon_illumination":92,"moon_separation":147.1,"score":null,"score_astronomy":37,"score_weather":null,"transit_alt":79.1,"transit_local":"15:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.5,"best_label":"good","best_window":"19:40\u201321:10","dark_hours":9.83,"date":"2035-02-25","moon_free_dark_hours":1.95,"moon_illumination":86,"moon_separation":154.3,"score":null,"score_astronomy":37,"score_weather":null,"transit_alt":79.1,"transit_local":"15:35","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.42,"best_label":"good","best_window":"19:40\u201321:05","dark_hours":9.79,"date":"2035-02-26","moon_free_dark_hours":2.93,"moon_illumination":79,"moon_separation":156.7,"score":null,"score_astronomy":36,"score_weather":null,"transit_alt":79.1,"transit_local":"15:30","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.25,"best_label":"good","best_window":"19:45\u201321:00","dark_hours":9.75,"date":"2035-02-27","moon_free_dark_hours":3.87,"moon_illumination":70,"moon_separation":153.3,"score":null,"score_astronomy":33,"score_weather":null,"transit_alt":79.1,"transit_local":"15:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.17,"best_label":"good","best_window":"19:45\u201320:55","dark_hours":9.7,"date":"2035-02-28","moon_free_dark_hours":4.8,"moon_illumination":61,"moon_separation":146.0,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":79.1,"transit_local":"15:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.08,"best_label":"good","best_window":"19:45\u201320:50","dark_hours":9.66,"date":"2035-03-01","moon_free_dark_hours":5.68,"moon_illumination":52,"moon_separation":136.9,"score":null,"score_astronomy":29,"score_weather":null,"transit_alt":79.1,"transit_local":"15:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.08,"best_label":"good","best_window":"19:45\u201320:50","dark_hours":9.61,"date":"2035-03-02","moon_free_dark_hours":6.55,"moon_illumination":42,"moon_separation":126.9,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":79.1,"transit_local":"15:15","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.92,"best_label":"good","best_window":"19:50\u201320:45","dark_hours":9.56,"date":"2035-03-03","moon_free_dark_hours":7.35,"moon_illumination":33,"moon_separation":116.4,"score":null,"score_astronomy":26,"score_weather":null,"transit_alt":79.1,"transit_local":"15:10","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.83,"best_label":"good","best_window":"19:50\u201320:40","dark_hours":9.52,"date":"2035-03-04","moon_free_dark_hours":8.1,"moon_illumination":24,"moon_separation":105.6,"score":null,"score_astronomy":25,"score_weather":null,"transit_alt":79.1,"transit_local":"15:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.75,"best_label":"good","best_window":"19:50\u201320:35","dark_hours":9.47,"date":"2035-03-05","moon_free_dark_hours":8.78,"moon_illumination":17,"moon_separation":94.4,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":79.1,"transit_local":"15:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.75,"best_label":"good","best_window":"19:50\u201320:35","dark_hours":9.42,"date":"2035-03-06","moon_free_dark_hours":9.4,"moon_illumination":10,"moon_separation":82.9,"score":null,"score_astronomy":21,"score_weather":null,"transit_alt":79.1,"transit_local":"15:00","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.58,"best_label":"good","best_window":"19:55\u201320:30","dark_hours":9.38,"date":"2035-03-07","moon_free_dark_hours":9.35,"moon_illumination":5,"moon_separation":71.3,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":79.1,"transit_local":"14:55","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.5,"best_label":"good","best_window":"19:55\u201320:25","dark_hours":9.33,"date":"2035-03-08","moon_free_dark_hours":9.32,"moon_illumination":1,"moon_separation":59.5,"score":null,"score_astronomy":18,"score_weather":null,"transit_alt":79.1,"transit_local":"14:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":0.42,"best_label":"good","best_window":"19:55\u201320:20","dark_hours":9.28,"date":"2035-03-09","moon_free_dark_hours":9.27,"moon_illumination":0,"moon_separation":47.8,"score":null,"score_astronomy":16,"score_weather":null,"transit_alt":79.1,"transit_local":"14:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":0.33,"best_label":"good","best_window":"19:55\u201320:15","dark_hours":9.23,"date":"2035-03-10","moon_free_dark_hours":9.22,"moon_illumination":1,"moon_separation":36.8,"score":null,"score_astronomy":14,"score_weather":null,"transit_alt":79.1,"transit_local":"14:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":0.25,"best_label":"good","best_window":"20:00\u201320:15","dark_hours":9.18,"date":"2035-03-11","moon_free_dark_hours":9.02,"moon_illumination":5,"moon_separation":27.7,"score":null,"score_astronomy":11,"score_weather":null,"transit_alt":79.1,"transit_local":"14:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":0.08,"best_label":"good","best_window":"20:00\u201320:05","dark_hours":9.13,"date":"2035-03-12","moon_free_dark_hours":7.85,"moon_illumination":11,"moon_separation":23.3,"score":null,"score_astronomy":9,"score_weather":null,"transit_alt":79.1,"transit_local":"14:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.58,"best_label":"marginal","best_window":"20:00\u201320:35","dark_hours":9.09,"date":"2035-03-13","moon_free_dark_hours":6.68,"moon_illumination":19,"moon_separation":26.4,"score":null,"score_astronomy":7,"score_weather":null,"transit_alt":79.1,"transit_local":"14:35","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":"2035-02-12","target":{"common_name":"Triangulum Pinwheel","dec":30.66017511,"morphology":"SA(s)cd","name":"M 33","ra":23.46206906,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M33","source":"sesame","type":"GiG","type_text":"galaxy in a group","vmag":5.72}}