{"calculation_version":"2026-10-10.1","days":30,"nights":[{"best_hours":0.75,"best_label":"good","best_window":"02:55\u201303:40","dark_hours":4.5,"date":"2033-06-29","moon_free_dark_hours":4.48,"moon_illumination":10,"moon_separation":102.9,"score":null,"score_astronomy":27,"score_weather":null,"transit_alt":79.1,"transit_local":"08:20","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":0.92,"best_label":"good","best_window":"02:50\u201303:45","dark_hours":4.52,"date":"2033-06-30","moon_free_dark_hours":4.5,"moon_illumination":17,"moon_separation":114.4,"score":null,"score_astronomy":29,"score_weather":null,"transit_alt":79.1,"transit_local":"08:20","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.0,"best_label":"good","best_window":"02:45\u201303:45","dark_hours":4.54,"date":"2033-07-01","moon_free_dark_hours":4.15,"moon_illumination":25,"moon_separation":125.5,"score":null,"score_astronomy":30,"score_weather":null,"transit_alt":79.1,"transit_local":"08:15","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.0,"best_label":"good","best_window":"02:45\u201303:45","dark_hours":4.57,"date":"2033-07-02","moon_free_dark_hours":3.7,"moon_illumination":33,"moon_separation":136.1,"score":null,"score_astronomy":31,"score_weather":null,"transit_alt":79.1,"transit_local":"08:10","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.08,"best_label":"good","best_window":"02:40\u201303:45","dark_hours":4.59,"date":"2033-07-03","moon_free_dark_hours":3.23,"moon_illumination":43,"moon_separation":145.9,"score":null,"score_astronomy":33,"score_weather":null,"transit_alt":79.1,"transit_local":"08:05","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.17,"best_label":"good","best_window":"02:35\u201303:45","dark_hours":4.62,"date":"2033-07-04","moon_free_dark_hours":2.78,"moon_illumination":52,"moon_separation":154.1,"score":null,"score_astronomy":35,"score_weather":null,"transit_alt":79.1,"transit_local":"08:05","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.33,"best_label":"good","best_window":"02:30\u201303:50","dark_hours":4.65,"date":"2033-07-05","moon_free_dark_hours":2.3,"moon_illumination":62,"moon_separation":159.0,"score":null,"score_astronomy":37,"score_weather":null,"transit_alt":79.1,"transit_local":"08:00","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":1.33,"best_label":"good","best_window":"02:30\u201303:50","dark_hours":4.68,"date":"2033-07-06","moon_free_dark_hours":1.78,"moon_illumination":71,"moon_separation":157.8,"score":null,"score_astronomy":39,"score_weather":null,"transit_alt":79.1,"transit_local":"07:55","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":1.33,"best_label":"good","best_window":"02:30\u201303:50","dark_hours":4.71,"date":"2033-07-07","moon_free_dark_hours":1.18,"moon_illumination":79,"moon_separation":151.3,"score":null,"score_astronomy":40,"score_weather":null,"transit_alt":79.1,"transit_local":"07:50","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":1.42,"best_label":"good","best_window":"02:25\u201303:50","dark_hours":4.74,"date":"2033-07-08","moon_free_dark_hours":0.52,"moon_illumination":87,"moon_separation":141.7,"score":null,"score_astronomy":40,"score_weather":null,"transit_alt":79.1,"transit_local":"07:45","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":1.42,"best_label":"good","best_window":"02:25\u201303:50","dark_hours":4.78,"date":"2033-07-09","moon_free_dark_hours":0.0,"moon_illumination":93,"moon_separation":130.7,"score":null,"score_astronomy":37,"score_weather":null,"transit_alt":79.1,"transit_local":"07:45","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":1.5,"best_label":"good","best_window":"02:25\u201303:55","dark_hours":4.81,"date":"2033-07-10","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":118.8,"score":null,"score_astronomy":38,"score_weather":null,"transit_alt":79.1,"transit_local":"07:40","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.5,"best_label":"good","best_window":"02:25\u201303:55","dark_hours":4.85,"date":"2033-07-11","moon_free_dark_hours":0.0,"moon_illumination":100,"moon_separation":106.3,"score":null,"score_astronomy":33,"score_weather":null,"transit_alt":79.1,"transit_local":"07:35","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":1.17,"best_label":"good","best_window":"02:45\u201303:55","dark_hours":4.89,"date":"2033-07-12","moon_free_dark_hours":0.0,"moon_illumination":99,"moon_separation":93.4,"score":null,"score_astronomy":28,"score_weather":null,"transit_alt":79.1,"transit_local":"07:30","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":0.08,"best_label":"good","best_window":"03:50\u201303:55","dark_hours":4.93,"date":"2033-07-13","moon_free_dark_hours":0.0,"moon_illumination":97,"moon_separation":80.2,"score":null,"score_astronomy":23,"score_weather":null,"transit_alt":79.1,"transit_local":"07:25","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.33,"best_label":"marginal","best_window":"01:40\u201304:00","dark_hours":4.97,"date":"2033-07-14","moon_free_dark_hours":0.0,"moon_illumination":92,"moon_separation":67.0,"score":null,"score_astronomy":20,"score_weather":null,"transit_alt":79.1,"transit_local":"07:25","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.42,"best_label":"marginal","best_window":"01:35\u201304:00","dark_hours":5.01,"date":"2033-07-15","moon_free_dark_hours":0.0,"moon_illumination":84,"moon_separation":53.9,"score":null,"score_astronomy":18,"score_weather":null,"transit_alt":79.1,"transit_local":"07:20","verdict":"unknown","weather_source":"none","weekday":"Fri"},{"best_hours":2.5,"best_label":"marginal","best_window":"01:30\u201304:00","dark_hours":5.06,"date":"2033-07-16","moon_free_dark_hours":0.45,"moon_illumination":75,"moon_separation":41.3,"score":null,"score_astronomy":19,"score_weather":null,"transit_alt":79.1,"transit_local":"07:15","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":2.75,"best_label":"marginal","best_window":"01:20\u201304:05","dark_hours":5.1,"date":"2033-07-17","moon_free_dark_hours":1.05,"moon_illumination":64,"moon_separation":30.0,"score":null,"score_astronomy":22,"score_weather":null,"transit_alt":79.1,"transit_local":"07:10","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":1.17,"best_label":"good","best_window":"02:55\u201304:05","dark_hours":5.15,"date":"2033-07-18","moon_free_dark_hours":1.67,"moon_illumination":53,"moon_separation":22.2,"score":null,"score_astronomy":30,"score_weather":null,"transit_alt":79.1,"transit_local":"07:10","verdict":"unknown","weather_source":"none","weekday":"Mon"},{"best_hours":2.17,"best_label":"good","best_window":"01:55\u201304:05","dark_hours":5.19,"date":"2033-07-19","moon_free_dark_hours":2.35,"moon_illumination":41,"moon_separation":21.7,"score":null,"score_astronomy":39,"score_weather":null,"transit_alt":79.1,"transit_local":"07:05","verdict":"unknown","weather_source":"none","weekday":"Tue"},{"best_hours":2.5,"best_label":"good","best_window":"01:35\u201304:05","dark_hours":5.24,"date":"2033-07-20","moon_free_dark_hours":3.05,"moon_illumination":31,"moon_separation":28.6,"score":null,"score_astronomy":50,"score_weather":null,"transit_alt":79.1,"transit_local":"07:00","verdict":"unknown","weather_source":"none","weekday":"Wed"},{"best_hours":2.67,"best_label":"good","best_window":"01:30\u201304:10","dark_hours":5.29,"date":"2033-07-21","moon_free_dark_hours":3.83,"moon_illumination":21,"moon_separation":39.1,"score":null,"score_astronomy":62,"score_weather":null,"transit_alt":79.1,"transit_local":"06:55","verdict":"unknown","weather_source":"none","weekday":"Thu"},{"best_hours":2.75,"best_label":"good","best_window":"01:25\u201304:10","dark_hours":5.34,"date":"2033-07-22","moon_free_dark_hours":4.72,"moon_illumination":13,"moon_separation":50.8,"score":null,"score_astronomy":70,"score_weather":null,"transit_alt":79.1,"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":5.39,"date":"2033-07-23","moon_free_dark_hours":5.37,"moon_illumination":6,"moon_separation":62.9,"score":null,"score_astronomy":77,"score_weather":null,"transit_alt":79.1,"transit_local":"06:50","verdict":"unknown","weather_source":"none","weekday":"Sat"},{"best_hours":3.0,"best_label":"good","best_window":"01:15\u201304:15","dark_hours":5.44,"date":"2033-07-24","moon_free_dark_hours":5.42,"moon_illumination":2,"moon_separation":75.1,"score":null,"score_astronomy":80,"score_weather":null,"transit_alt":79.1,"transit_local":"06:45","verdict":"unknown","weather_source":"none","weekday":"Sun"},{"best_hours":3.0,"best_label":"good","best_window":"01:15\u201304:15","dark_hours":5.49,"date":"2033-07-25","moon_free_dark_hours":5.47,"moon_illumination":0,"moon_separation":87.1,"score":null,"score_astronomy":82,"score_weather":null,"transit_alt":79.1,"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":5.54,"date":"2033-07-26","moon_free_dark_hours":5.53,"moon_illumination":0,"moon_separation":99.0,"score":null,"score_astronomy":84,"score_weather":null,"transit_alt":79.1,"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":5.59,"date":"2033-07-27","moon_free_dark_hours":5.58,"moon_illumination":3,"moon_separation":110.6,"score":null,"score_astronomy":89,"score_weather":null,"transit_alt":79.1,"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":5.65,"date":"2033-07-28","moon_free_dark_hours":5.63,"moon_illumination":7,"moon_separation":121.9,"score":null,"score_astronomy":91,"score_weather":null,"transit_alt":79.1,"transit_local":"06:30","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":"2033-06-29","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}}