{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":4.33,"best_label":"marginal","best_window":"00:15\u201304:35","dark_hours":6.18,"date":"2047-08-07","moon_free_dark_hours":0.0,"moon_illumination":95,"moon_separation":53.6,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":79.2,"transit_local":"05:50","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.33,"best_label":"marginal","best_window":"00:15\u201304:35","dark_hours":6.24,"date":"2047-08-08","moon_free_dark_hours":0.0,"moon_illumination":90,"moon_separation":41.8,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":79.2,"transit_local":"05:45","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":4.5,"best_label":"marginal","best_window":"00:10\u201304:40","dark_hours":6.29,"date":"2047-08-09","moon_free_dark_hours":0.0,"moon_illumination":83,"moon_separation":30.6,"score":null,"score_astronomy":21,"score_weather":null,"transit_alt":79.2,"transit_local":"05:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":4.75,"best_label":"marginal","best_window":"23:55\u201304:40","dark_hours":6.35,"date":"2047-08-10","moon_free_dark_hours":0.05,"moon_illumination":75,"moon_separation":20.8,"score":null,"score_astronomy":27,"score_weather":null,"transit_alt":79.2,"transit_local":"05:40","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":4.92,"best_label":"marginal","best_window":"23:45\u201304:40","dark_hours":6.41,"date":"2047-08-11","moon_free_dark_hours":0.52,"moon_illumination":67,"moon_separation":14.8,"score":null,"score_astronomy":36,"score_weather":null,"transit_alt":79.2,"transit_local":"05:35","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.58,"best_label":"good","best_window":"02:10\u201303:45","dark_hours":6.47,"date":"2047-08-12","moon_free_dark_hours":1.03,"moon_illumination":57,"moon_separation":16.7,"score":null,"score_astronomy":49,"score_weather":null,"transit_alt":79.2,"transit_local":"05:30","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":4.33,"best_label":"good","best_window":"00:25\u201304:45","dark_hours":6.52,"date":"2047-08-13","moon_free_dark_hours":1.62,"moon_illumination":48,"moon_separation":24.8,"score":null,"score_astronomy":63,"score_weather":null,"transit_alt":79.2,"transit_local":"05:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":4.83,"best_label":"good","best_window":"23:55\u201304:45","dark_hours":6.58,"date":"2047-08-14","moon_free_dark_hours":2.32,"moon_illumination":39,"moon_separation":35.1,"score":null,"score_astronomy":80,"score_weather":null,"transit_alt":79.2,"transit_local":"05:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":4.92,"best_label":"good","best_window":"23:50\u201304:45","dark_hours":6.64,"date":"2047-08-15","moon_free_dark_hours":3.12,"moon_illumination":30,"moon_separation":46.3,"score":null,"score_astronomy":87,"score_weather":null,"transit_alt":79.2,"transit_local":"05:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.0,"best_label":"good","best_window":"23:50\u201304:50","dark_hours":6.7,"date":"2047-08-16","moon_free_dark_hours":4.07,"moon_illumination":21,"moon_separation":57.9,"score":null,"score_astronomy":94,"score_weather":null,"transit_alt":79.2,"transit_local":"05:15","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.08,"best_label":"good","best_window":"23:45\u201304:50","dark_hours":6.75,"date":"2047-08-17","moon_free_dark_hours":5.12,"moon_illumination":13,"moon_separation":70.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:10","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.17,"best_label":"good","best_window":"23:40\u201304:50","dark_hours":6.81,"date":"2047-08-18","moon_free_dark_hours":6.27,"moon_illumination":7,"moon_separation":82.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.33,"best_label":"good","best_window":"23:35\u201304:55","dark_hours":6.87,"date":"2047-08-19","moon_free_dark_hours":6.85,"moon_illumination":3,"moon_separation":95.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.33,"best_label":"good","best_window":"23:35\u201304:55","dark_hours":6.93,"date":"2047-08-20","moon_free_dark_hours":6.92,"moon_illumination":0,"moon_separation":108.7,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"05:00","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":5.42,"best_label":"good","best_window":"23:30\u201304:55","dark_hours":6.98,"date":"2047-08-21","moon_free_dark_hours":6.97,"moon_illumination":0,"moon_separation":122.1,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:55","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":5.58,"best_label":"good","best_window":"23:25\u201305:00","dark_hours":7.04,"date":"2047-08-22","moon_free_dark_hours":7.03,"moon_illumination":3,"moon_separation":135.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:50","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":5.67,"best_label":"good","best_window":"23:20\u201305:00","dark_hours":7.1,"date":"2047-08-23","moon_free_dark_hours":7.08,"moon_illumination":9,"moon_separation":148.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:50","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":5.75,"best_label":"good","best_window":"23:15\u201305:00","dark_hours":7.15,"date":"2047-08-24","moon_free_dark_hours":7.15,"moon_illumination":16,"moon_separation":160.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.75,"best_label":"good","best_window":"23:15\u201305:00","dark_hours":7.21,"date":"2047-08-25","moon_free_dark_hours":7.18,"moon_illumination":26,"moon_separation":165.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":5.92,"best_label":"good","best_window":"23:10\u201305:05","dark_hours":7.27,"date":"2047-08-26","moon_free_dark_hours":6.6,"moon_illumination":36,"moon_separation":159.2,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":5.92,"best_label":"good","best_window":"23:10\u201305:05","dark_hours":7.33,"date":"2047-08-27","moon_free_dark_hours":5.87,"moon_illumination":48,"moon_separation":147.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:35","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":6.0,"best_label":"good","best_window":"23:05\u201305:05","dark_hours":7.38,"date":"2047-08-28","moon_free_dark_hours":5.0,"moon_illumination":59,"moon_separation":134.8,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:30","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":6.08,"best_label":"good","best_window":"23:05\u201305:10","dark_hours":7.44,"date":"2047-08-29","moon_free_dark_hours":4.0,"moon_illumination":70,"moon_separation":121.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":6.08,"best_label":"good","best_window":"23:05\u201305:10","dark_hours":7.49,"date":"2047-08-30","moon_free_dark_hours":2.9,"moon_illumination":80,"moon_separation":108.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":6.0,"best_label":"good","best_window":"23:10\u201305:10","dark_hours":7.55,"date":"2047-08-31","moon_free_dark_hours":1.77,"moon_illumination":88,"moon_separation":95.5,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":5.08,"best_label":"good","best_window":"00:05\u201305:10","dark_hours":7.61,"date":"2047-09-01","moon_free_dark_hours":0.63,"moon_illumination":94,"moon_separation":82.6,"score":null,"score_astronomy":100,"score_weather":null,"transit_alt":79.2,"transit_local":"04:15","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.58,"best_label":"good","best_window":"01:40\u201305:15","dark_hours":7.66,"date":"2047-09-02","moon_free_dark_hours":0.0,"moon_illumination":98,"moon_separation":70.0,"score":null,"score_astronomy":73,"score_weather":null,"transit_alt":79.2,"transit_local":"04:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":0.33,"best_label":"good","best_window":"04:55\u201305:15","dark_hours":7.72,"date":"2047-09-03","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":57.7,"score":null,"score_astronomy":56,"score_weather":null,"transit_alt":79.2,"transit_local":"04:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":6.67,"best_label":"marginal","best_window":"22:35\u201305:15","dark_hours":7.77,"date":"2047-09-04","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":45.7,"score":null,"score_astronomy":38,"score_weather":null,"transit_alt":79.2,"transit_local":"04:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":6.58,"best_label":"marginal","best_window":"22:40\u201305:15","dark_hours":7.83,"date":"2047-09-05","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":34.3,"score":null,"score_astronomy":25,"score_weather":null,"transit_alt":79.2,"transit_local":"03:55","verdict":"unknown","weather_source":"none","weekday":"Thu"}],"note":"score_astronomy for every night; score_weather/score only where a forecast (next 4 days) or ERA5 history exists \u2014 null otherwise","start":"2047-08-07","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}}