{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":2.75,"best_label":"good","best_window":"01:25\u201304:10","dark_hours":5.35,"date":"2044-07-22","moon_free_dark_hours":5.23,"moon_illumination":5,"moon_separation":62.3,"score":null,"score_astronomy":74,"score_weather":null,"transit_alt":79.2,"transit_local":"06:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.83,"best_label":"good","best_window":"01:20\u201304:10","dark_hours":5.4,"date":"2044-07-23","moon_free_dark_hours":5.38,"moon_illumination":1,"moon_separation":76.8,"score":null,"score_astronomy":78,"score_weather":null,"transit_alt":79.2,"transit_local":"06:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.0,"best_label":"good","best_window":"01:15\u201304:15","dark_hours":5.45,"date":"2044-07-24","moon_free_dark_hours":5.43,"moon_illumination":0,"moon_separation":91.4,"score":null,"score_astronomy":81,"score_weather":null,"transit_alt":79.2,"transit_local":"06:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.08,"best_label":"good","best_window":"01:10\u201304:15","dark_hours":5.51,"date":"2044-07-25","moon_free_dark_hours":5.5,"moon_illumination":2,"moon_separation":105.7,"score":null,"score_astronomy":83,"score_weather":null,"transit_alt":79.2,"transit_local":"06:40","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.08,"best_label":"good","best_window":"01:10\u201304:15","dark_hours":5.56,"date":"2044-07-26","moon_free_dark_hours":5.53,"moon_illumination":7,"moon_separation":119.7,"score":null,"score_astronomy":85,"score_weather":null,"transit_alt":79.2,"transit_local":"06:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.25,"best_label":"good","best_window":"01:05\u201304:20","dark_hours":5.61,"date":"2044-07-27","moon_free_dark_hours":5.6,"moon_illumination":14,"moon_separation":133.1,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":79.2,"transit_local":"06:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.33,"best_label":"good","best_window":"01:00\u201304:20","dark_hours":5.67,"date":"2044-07-28","moon_free_dark_hours":5.58,"moon_illumination":22,"moon_separation":145.7,"score":null,"score_astronomy":91,"score_weather":null,"transit_alt":79.2,"transit_local":"06:30","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.42,"best_label":"good","best_window":"00:55\u201304:20","dark_hours":5.72,"date":"2044-07-29","moon_free_dark_hours":5.27,"moon_illumination":32,"moon_separation":156.7,"score":null,"score_astronomy":93,"score_weather":null,"transit_alt":79.2,"transit_local":"06:25","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.58,"best_label":"good","best_window":"00:50\u201304:25","dark_hours":5.77,"date":"2044-07-30","moon_free_dark_hours":4.92,"moon_illumination":42,"moon_separation":164.0,"score":null,"score_astronomy":95,"score_weather":null,"transit_alt":79.2,"transit_local":"06:20","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.58,"best_label":"good","best_window":"00:50\u201304:25","dark_hours":5.83,"date":"2044-07-31","moon_free_dark_hours":4.55,"moon_illumination":52,"moon_separation":163.1,"score":null,"score_astronomy":97,"score_weather":null,"transit_alt":79.2,"transit_local":"06:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.67,"best_label":"good","best_window":"00:45\u201304:25","dark_hours":5.88,"date":"2044-08-01","moon_free_dark_hours":4.1,"moon_illumination":62,"moon_separation":155.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"06:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":3.75,"best_label":"good","best_window":"00:45\u201304:30","dark_hours":5.94,"date":"2044-08-02","moon_free_dark_hours":3.55,"moon_illumination":71,"moon_separation":145.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"06:10","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":3.75,"best_label":"good","best_window":"00:45\u201304:30","dark_hours":5.99,"date":"2044-08-03","moon_free_dark_hours":2.9,"moon_illumination":79,"moon_separation":134.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"06:05","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":3.83,"best_label":"good","best_window":"00:40\u201304:30","dark_hours":6.05,"date":"2044-08-04","moon_free_dark_hours":2.08,"moon_illumination":86,"moon_separation":123.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"06:00","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":3.92,"best_label":"good","best_window":"00:40\u201304:35","dark_hours":6.11,"date":"2044-08-05","moon_free_dark_hours":1.17,"moon_illumination":92,"moon_separation":111.9,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:55","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":3.83,"best_label":"good","best_window":"00:45\u201304:35","dark_hours":6.16,"date":"2044-08-06","moon_free_dark_hours":0.15,"moon_illumination":96,"moon_separation":100.5,"score":null,"score_astronomy":94,"score_weather":null,"transit_alt":79.2,"transit_local":"05:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.5,"best_label":"good","best_window":"01:05\u201304:35","dark_hours":6.22,"date":"2044-08-07","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":88.9,"score":null,"score_astronomy":67,"score_weather":null,"transit_alt":79.2,"transit_local":"05:50","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":2.33,"best_label":"good","best_window":"02:20\u201304:40","dark_hours":6.28,"date":"2044-08-08","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":77.2,"score":null,"score_astronomy":54,"score_weather":null,"transit_alt":79.2,"transit_local":"05:45","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.25,"best_label":"good","best_window":"04:25\u201304:40","dark_hours":6.33,"date":"2044-08-09","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":65.4,"score":null,"score_astronomy":42,"score_weather":null,"transit_alt":79.2,"transit_local":"05:40","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.67,"best_label":"marginal","best_window":"00:00\u201304:40","dark_hours":6.39,"date":"2044-08-10","moon_free_dark_hours":0.0,"moon_illumination":96,"moon_separation":53.6,"score":null,"score_astronomy":32,"score_weather":null,"transit_alt":79.2,"transit_local":"05:35","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.67,"best_label":"marginal","best_window":"00:00\u201304:40","dark_hours":6.45,"date":"2044-08-11","moon_free_dark_hours":0.0,"moon_illumination":91,"moon_separation":41.8,"score":null,"score_astronomy":25,"score_weather":null,"transit_alt":79.2,"transit_local":"05:35","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.83,"best_label":"marginal","best_window":"23:55\u201304:45","dark_hours":6.51,"date":"2044-08-12","moon_free_dark_hours":0.0,"moon_illumination":84,"moon_separation":30.3,"score":null,"score_astronomy":22,"score_weather":null,"transit_alt":79.2,"transit_local":"05:30","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.08,"best_label":"marginal","best_window":"23:40\u201304:45","dark_hours":6.56,"date":"2044-08-13","moon_free_dark_hours":0.2,"moon_illumination":76,"moon_separation":20.2,"score":null,"score_astronomy":29,"score_weather":null,"transit_alt":79.2,"transit_local":"05:25","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.25,"best_label":"marginal","best_window":"23:30\u201304:45","dark_hours":6.62,"date":"2044-08-14","moon_free_dark_hours":0.63,"moon_illumination":66,"moon_separation":15.2,"score":null,"score_astronomy":40,"score_weather":null,"transit_alt":79.2,"transit_local":"05:20","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.67,"best_label":"good","best_window":"00:40\u201304:20","dark_hours":6.68,"date":"2044-08-15","moon_free_dark_hours":1.17,"moon_illumination":55,"moon_separation":20.1,"score":null,"score_astronomy":55,"score_weather":null,"transit_alt":79.2,"transit_local":"05:15","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.75,"best_label":"good","best_window":"00:05\u201304:50","dark_hours":6.74,"date":"2044-08-16","moon_free_dark_hours":1.82,"moon_illumination":44,"moon_separation":30.9,"score":null,"score_astronomy":73,"score_weather":null,"transit_alt":79.2,"transit_local":"05:15","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.17,"best_label":"good","best_window":"23:40\u201304:50","dark_hours":6.79,"date":"2044-08-17","moon_free_dark_hours":2.65,"moon_illumination":33,"moon_separation":43.6,"score":null,"score_astronomy":84,"score_weather":null,"transit_alt":79.2,"transit_local":"05:10","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.25,"best_label":"good","best_window":"23:40\u201304:55","dark_hours":6.85,"date":"2044-08-18","moon_free_dark_hours":3.7,"moon_illumination":22,"moon_separation":57.1,"score":null,"score_astronomy":92,"score_weather":null,"transit_alt":79.2,"transit_local":"05:05","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.33,"best_label":"good","best_window":"23:35\u201304:55","dark_hours":6.91,"date":"2044-08-19","moon_free_dark_hours":4.95,"moon_illumination":13,"moon_separation":71.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:00","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.42,"best_label":"good","best_window":"23:30\u201304:55","dark_hours":6.97,"date":"2044-08-20","moon_free_dark_hours":6.32,"moon_illumination":6,"moon_separation":85.3,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:55","verdict":"unknown","weather_source":"none","weekday":"Sat"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2044-07-22","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}}